diff --git a/win32/blkcalc/blkcalc.vcxproj b/win32/blkcalc/blkcalc.vcxproj
index 752852842028946ac2e7e0cfad78cb2ee2cdc01e..037cd0a5c6d50d865c665792475e9c75a59fe13e 100755
--- a/win32/blkcalc/blkcalc.vcxproj
+++ b/win32/blkcalc/blkcalc.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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@@ -35,34 +35,32 @@
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     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
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     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
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     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
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     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
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   <ImportGroup Label="ExtensionSettings">
diff --git a/win32/blkcat/blkcat.vcxproj b/win32/blkcat/blkcat.vcxproj
index 6d26cf59efaf26aafb098bc025ff0c42b362410d..ab65479568903a532d8329d3c8bb1bf90b3c2553 100755
--- a/win32/blkcat/blkcat.vcxproj
+++ b/win32/blkcat/blkcat.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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@@ -35,34 +35,32 @@
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     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
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     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
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     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
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     <CharacterSet>Unicode</CharacterSet>
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diff --git a/win32/blkls/blkls.vcxproj b/win32/blkls/blkls.vcxproj
index 3c3c7c93da170479dbe9e6a68867e27121a8b543..de03ba810fdbd30277ffa5c6a56281d920f8c0ad 100755
--- a/win32/blkls/blkls.vcxproj
+++ b/win32/blkls/blkls.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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       <Configuration>Debug_NoLibs</Configuration>
@@ -35,34 +35,32 @@
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     <CharacterSet>Unicode</CharacterSet>
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     <WholeProgramOptimization>true</WholeProgramOptimization>
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     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
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     <CharacterSet>Unicode</CharacterSet>
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diff --git a/win32/blkstat/blkstat.vcxproj b/win32/blkstat/blkstat.vcxproj
index 5429053f007151a59b092e7a99b93457365707c2..af3104f66569bccab2e7636daa4650d74d9afe7b 100755
--- a/win32/blkstat/blkstat.vcxproj
+++ b/win32/blkstat/blkstat.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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@@ -35,34 +35,32 @@
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     <WholeProgramOptimization>true</WholeProgramOptimization>
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     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
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diff --git a/win32/callback-cpp-sample/callback-cpp-sample.vcxproj b/win32/callback-cpp-sample/callback-cpp-sample.vcxproj
index 82f105c2effe21cfc5ad119c5d173817da9a4b13..c198609fd8ecae24ab3d903f7d06e80040fab1fe 100755
--- a/win32/callback-cpp-sample/callback-cpp-sample.vcxproj
+++ b/win32/callback-cpp-sample/callback-cpp-sample.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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@@ -35,34 +35,32 @@
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     <CharacterSet>Unicode</CharacterSet>
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     <WholeProgramOptimization>true</WholeProgramOptimization>
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     <CharacterSet>Unicode</CharacterSet>
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diff --git a/win32/callback-sample/callback-sample.vcxproj b/win32/callback-sample/callback-sample.vcxproj
index ff4468b19ac6b1c1390d09b7819fbcc2a83c4b42..d0869453ee576e63eb808820230a599783694b48 100755
--- a/win32/callback-sample/callback-sample.vcxproj
+++ b/win32/callback-sample/callback-sample.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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diff --git a/win32/fcat/fcat.vcxproj b/win32/fcat/fcat.vcxproj
index f5264182436593e66b2c8d75b0bfc71129200899..91e017c424190f38f206cc3d8d9327661c4db668 100755
--- a/win32/fcat/fcat.vcxproj
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@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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diff --git a/win32/ffind/ffind.vcxproj b/win32/ffind/ffind.vcxproj
index 41126c4165ddf22a60f61bb509c8ef9ada0fafc2..92e13d095e035e84a43cbf21817c4b5cd312db8e 100755
--- a/win32/ffind/ffind.vcxproj
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@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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diff --git a/win32/fls/fls.vcxproj b/win32/fls/fls.vcxproj
index db08524e3dcb9ea3f6d77b52d81f9fe717cecfcd..2a428ebb15e208c22edc6b2643a595b2272c7e72 100755
--- a/win32/fls/fls.vcxproj
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@@ -1,5 +1,5 @@
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diff --git a/win32/fsstat/fsstat.vcxproj b/win32/fsstat/fsstat.vcxproj
index 3528bcbd6b5d9040ee8ee25684e3f9129f858c43..a6adbf87f2e9eea7cfa1bb671662706bfdd4caf9 100755
--- a/win32/fsstat/fsstat.vcxproj
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@@ -1,5 +1,5 @@
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
diff --git a/win32/hfind/hfind.vcxproj b/win32/hfind/hfind.vcxproj
index b7ded2f63ae475296f97c3f02dde90a057a036f0..c9a0c1e7e1e018b862c866487556bae2e86953e2 100755
--- a/win32/hfind/hfind.vcxproj
+++ b/win32/hfind/hfind.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug_NoLibs|Win32">
       <Configuration>Debug_NoLibs</Configuration>
@@ -35,34 +35,32 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
diff --git a/win32/icat/icat.vcxproj b/win32/icat/icat.vcxproj
index f5ec1ede4cf9470eaa6f8e2401043cfbed4d2213..8a89880585b0d644a5b46b3ab9501024576b452f 100755
--- a/win32/icat/icat.vcxproj
+++ b/win32/icat/icat.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug_NoLibs|Win32">
       <Configuration>Debug_NoLibs</Configuration>
@@ -35,34 +35,32 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
diff --git a/win32/ifind/ifind.vcxproj b/win32/ifind/ifind.vcxproj
index 22b557992d642e55e09c71d0fbe18cd7895c43b4..18f490afd0e4b7f38ccd3798d6e19de47c133606 100755
--- a/win32/ifind/ifind.vcxproj
+++ b/win32/ifind/ifind.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug_NoLibs|Win32">
       <Configuration>Debug_NoLibs</Configuration>
@@ -35,34 +35,32 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
diff --git a/win32/ils/ils.vcxproj b/win32/ils/ils.vcxproj
index f2dc43dfbf3a4cb397f522f9d29c60accef9acf2..1a11ea1175f4fc69b364c6954ebed0ca0290a860 100755
--- a/win32/ils/ils.vcxproj
+++ b/win32/ils/ils.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug_NoLibs|Win32">
       <Configuration>Debug_NoLibs</Configuration>
@@ -35,34 +35,32 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
diff --git a/win32/img_cat/img_cat.vcxproj b/win32/img_cat/img_cat.vcxproj
index a6b54a9ef1f1cb6e9937a9588c73c029a8722e56..6bd84078d9a067be001a11c2c2fe730e310de5fe 100755
--- a/win32/img_cat/img_cat.vcxproj
+++ b/win32/img_cat/img_cat.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug_NoLibs|Win32">
       <Configuration>Debug_NoLibs</Configuration>
@@ -35,34 +35,32 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
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   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
diff --git a/win32/img_stat/img_stat.vcxproj b/win32/img_stat/img_stat.vcxproj
index 539c94f0e541b00e4e2aefe1cc7ed6bf4e281634..ce12967cdcf03f1f36f733b2087fe684fe09f2ab 100755
--- a/win32/img_stat/img_stat.vcxproj
+++ b/win32/img_stat/img_stat.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug_NoLibs|Win32">
       <Configuration>Debug_NoLibs</Configuration>
@@ -35,34 +35,32 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v100</PlatformToolset>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
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   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
diff --git a/win32/istat/istat.vcxproj b/win32/istat/istat.vcxproj
index 1e8e093f67e579f8f2185d9920260c0f01fe6bb3..b3f6a4281388fc327f5e531c9e391cc630860f47 100755
--- a/win32/istat/istat.vcxproj
+++ b/win32/istat/istat.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug_NoLibs|Win32">
       <Configuration>Debug_NoLibs</Configuration>
@@ -35,34 +35,32 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|Win32'" Label="Configuration">
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     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v100</PlatformToolset>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
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   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
diff --git a/win32/jcat/jcat.vcxproj b/win32/jcat/jcat.vcxproj
index c1d3b5b02ef16b0e24cb0356535d04a0528474ed..1b11d68decaf9f6205bafdcd72aa8af8e1caac78 100755
--- a/win32/jcat/jcat.vcxproj
+++ b/win32/jcat/jcat.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug_NoLibs|Win32">
       <Configuration>Debug_NoLibs</Configuration>
@@ -35,34 +35,32 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|Win32'" Label="Configuration">
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     <CharacterSet>Unicode</CharacterSet>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v100</PlatformToolset>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
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   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
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diff --git a/win32/jls/jls.vcxproj b/win32/jls/jls.vcxproj
index da1ae859b1c00faeb338e050167b4f299c39f724..2ad8cb28b54da2fe7e67acf75dd2d939130bcf8d 100755
--- a/win32/jls/jls.vcxproj
+++ b/win32/jls/jls.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug_NoLibs|Win32">
       <Configuration>Debug_NoLibs</Configuration>
@@ -35,34 +35,32 @@
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     <CharacterSet>Unicode</CharacterSet>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
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     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v100</PlatformToolset>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
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     <CharacterSet>Unicode</CharacterSet>
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   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
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   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
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diff --git a/win32/libtsk/libtsk.vcxproj b/win32/libtsk/libtsk.vcxproj
index 637b0ae493df60b12af1a34ac541cc456f82bd49..1c2a38555bfcc19ba4c662830d811eba2e6f7610 100755
--- a/win32/libtsk/libtsk.vcxproj
+++ b/win32/libtsk/libtsk.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug_NoLibs|Win32">
       <Configuration>Debug_NoLibs</Configuration>
@@ -35,34 +35,32 @@
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     <CharacterSet>Unicode</CharacterSet>
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     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
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     <ConfigurationType>StaticLibrary</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
@@ -339,4 +337,4 @@ copy "$(LIBEWF_HOME)\msvscpp\x64\release\zlib.dll" "$(OutDir)"
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/win32/mmcat/mmcat.vcxproj b/win32/mmcat/mmcat.vcxproj
index 6f1c289cf8eb02c2e0dab0e3e75f674a67707ee9..b2d7a043f23361584a2227c45b695d97ea4db0c8 100755
--- a/win32/mmcat/mmcat.vcxproj
+++ b/win32/mmcat/mmcat.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug_NoLibs|Win32">
       <Configuration>Debug_NoLibs</Configuration>
@@ -35,34 +35,32 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
diff --git a/win32/mmls/mmls.vcxproj b/win32/mmls/mmls.vcxproj
index aea307eff43229e5c9f5bc767b61eead3b1200f0..15547f4e6e27b1f0263b4ec7e87a41d62ca6451e 100755
--- a/win32/mmls/mmls.vcxproj
+++ b/win32/mmls/mmls.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug_NoLibs|Win32">
       <Configuration>Debug_NoLibs</Configuration>
@@ -35,34 +35,32 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
diff --git a/win32/mmstat/mmstat.vcxproj b/win32/mmstat/mmstat.vcxproj
index 784683b2fb274564b1bfe5f13cc72e02462b536e..758b86da0696c15cc51af803db3413f2ff4acd8c 100755
--- a/win32/mmstat/mmstat.vcxproj
+++ b/win32/mmstat/mmstat.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug_NoLibs|Win32">
       <Configuration>Debug_NoLibs</Configuration>
@@ -35,34 +35,32 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
diff --git a/win32/posix-cpp-sample/posix-cpp-sample.vcxproj b/win32/posix-cpp-sample/posix-cpp-sample.vcxproj
index ff19e1dc2f1e4d53204d670e873ac9d43f7c9e66..d05c8ebbfb8d192f7888a67c1e8920cdc97d1a3a 100755
--- a/win32/posix-cpp-sample/posix-cpp-sample.vcxproj
+++ b/win32/posix-cpp-sample/posix-cpp-sample.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug_NoLibs|Win32">
       <Configuration>Debug_NoLibs</Configuration>
@@ -35,34 +35,32 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
diff --git a/win32/posix-sample/posix-sample.vcxproj b/win32/posix-sample/posix-sample.vcxproj
index bb536843305c3f9d10dab18ba25260df00eb5efc..f591424203cae063c4c211c6c781b1eb8007ca17 100755
--- a/win32/posix-sample/posix-sample.vcxproj
+++ b/win32/posix-sample/posix-sample.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug_NoLibs|Win32">
       <Configuration>Debug_NoLibs</Configuration>
@@ -35,34 +35,32 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
diff --git a/win32/tsk_comparedir/tsk_compare.vcxproj b/win32/tsk_comparedir/tsk_compare.vcxproj
index 7413b69d3e8010157993ac36ea254f6d5566b9d4..cafe91245733e35deb624c3c03da3dbffc9fbe78 100755
--- a/win32/tsk_comparedir/tsk_compare.vcxproj
+++ b/win32/tsk_comparedir/tsk_compare.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug_NoLibs|Win32">
       <Configuration>Debug_NoLibs</Configuration>
@@ -34,34 +34,32 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
diff --git a/win32/tsk_gettimes/tsk_gettimes.vcxproj b/win32/tsk_gettimes/tsk_gettimes.vcxproj
index e2210e180c22458288cdb2d7d5f62c4dae4437d1..79862ff31b5177cab395b81644c27fd62955f5dd 100755
--- a/win32/tsk_gettimes/tsk_gettimes.vcxproj
+++ b/win32/tsk_gettimes/tsk_gettimes.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug_NoLibs|Win32">
       <Configuration>Debug_NoLibs</Configuration>
@@ -36,39 +36,37 @@
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <CLRSupport>true</CLRSupport>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <CLRSupport>false</CLRSupport>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <CLRSupport>true</CLRSupport>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <CLRSupport>false</CLRSupport>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <CLRSupport>true</CLRSupport>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <CLRSupport>false</CLRSupport>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
diff --git a/win32/tsk_jni/tsk_jni.vcxproj b/win32/tsk_jni/tsk_jni.vcxproj
index 387dfb31977f5a8232b124841196ddbbf62321bc..5b36b5d021f5c569ad6d2186a269fc753d2c5c8a 100755
--- a/win32/tsk_jni/tsk_jni.vcxproj
+++ b/win32/tsk_jni/tsk_jni.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug_NoLibs|Win32">
       <Configuration>Debug_NoLibs</Configuration>
@@ -36,12 +36,11 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
@@ -49,7 +48,7 @@
     <UseOfAtl>false</UseOfAtl>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
@@ -57,17 +56,16 @@
     <UseOfAtl>false</UseOfAtl>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>DynamicLibrary</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
diff --git a/win32/tsk_loaddb/tsk_loaddb.vcxproj b/win32/tsk_loaddb/tsk_loaddb.vcxproj
index 79c1bf7c14e10c25abb675b9dee68f83ec48f99f..4c1bc5cb7a7abc9be1aeb16dc79fd0e04d439b07 100755
--- a/win32/tsk_loaddb/tsk_loaddb.vcxproj
+++ b/win32/tsk_loaddb/tsk_loaddb.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug_NoLibs|Win32">
       <Configuration>Debug_NoLibs</Configuration>
@@ -34,34 +34,32 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>MultiByte</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>NotSet</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
diff --git a/win32/tsk_recover/tsk_recover.vcxproj b/win32/tsk_recover/tsk_recover.vcxproj
index 98bbc805f6b33ba56b30f40f87c60b1751005d24..6e61786023627aca8c005eb034c3171e306e2006 100755
--- a/win32/tsk_recover/tsk_recover.vcxproj
+++ b/win32/tsk_recover/tsk_recover.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug_NoLibs|Win32">
       <Configuration>Debug_NoLibs</Configuration>
@@ -35,35 +35,33 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CLRSupport>false</CLRSupport>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug_NoLibs|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CLRSupport>false</CLRSupport>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>v100</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
     <WholeProgramOptimization>true</WholeProgramOptimization>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <CharacterSet>Unicode</CharacterSet>
-    <PlatformToolset>v120</PlatformToolset>
+    <PlatformToolset>Windows7.1SDK</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">