diff --git a/tsk3/base/tsk_os.h b/tsk3/base/tsk_os.h
index 30248c3fba02a477c8f1a08f44e3b0c96c9b1281..e1cee2cd6b73fc83e9173be87c5569ddb107b196 100644
--- a/tsk3/base/tsk_os.h
+++ b/tsk3/base/tsk_os.h
@@ -133,11 +133,11 @@ typedef WCHAR TSK_TCHAR;        ///< Character data type that is UTF-16 (wchar_t
 #define TSNPRINTF _snwprintf
 #define TPUTENV	_wputenv
 #define TZSET	_tzset
-#define TSTAT _wstat
+#define TSTAT _wstat64
 
 #if defined(_MSC_VER)
 #define TSTRTOULL _wcstoui64
-#define STAT_STR    _stat64i32
+#define STAT_STR    __stat64
 #elif defined(__MINGW32__)
 #define TSTRTOULL wcstoull
 #define STAT_STR    _stat
diff --git a/tsk3/fs/fs_attr.c b/tsk3/fs/fs_attr.c
index c55f62ac332c63c563af027d660c5260bf343e33..4532a336245b95049d52e87bf42a46e04fcde633 100644
--- a/tsk3/fs/fs_attr.c
+++ b/tsk3/fs/fs_attr.c
@@ -1183,10 +1183,10 @@ tsk_fs_attr_read(const TSK_FS_ATTR * a_fs_attr, TSK_OFF_T a_offset,
                         a_fs_attr->nrd.initsize)
                     && ((a_flags & TSK_FS_FILE_READ_FLAG_SLACK) == 0)) {
 
-                    size_t uninit_off = a_fs_attr->nrd.initsize -
+                    size_t uninit_off = (size_t)(a_fs_attr->nrd.initsize -
                         ((data_run_cur->offset +
                             blkoffset_inrun) * fs->block_size +
-                        byteoffset_toread);
+                        byteoffset_toread));
 
                     memset(&a_buf[len_toread - len_remain + uninit_off], 0,
                         len_inrun - uninit_off);
diff --git a/tsk3/fs/hfs.c b/tsk3/fs/hfs.c
index 83d14e80ffe9c013f58898cf865df26b9ba63fe7..c93830a17135ec3ff549affc69a212918392c201 100644
--- a/tsk3/fs/hfs.c
+++ b/tsk3/fs/hfs.c
@@ -2397,7 +2397,7 @@ hfs_dinode_copy(HFS_INFO * a_hfs, const HFS_ENTRY * a_hfs_entry,
             return 1;
 
         bytes_read = tsk_fs_file_read( a_fs_file, (TSK_OFF_T) 0,
-                                       a_fs_meta->link, a_fs_meta->size,
+                                       a_fs_meta->link, (size_t)a_fs_meta->size,
                                        TSK_FS_FILE_READ_FLAG_NONE );
         a_fs_meta->link[a_fs_meta->size] = '\0';
         
diff --git a/win32/mmcat/mmcat.vcxproj b/win32/mmcat/mmcat.vcxproj
index 5d22e6446401f9ccceb0d3f8a44b5332a9e873a1..625830e36aa97c4a79d5a10a9588fab0cf15a642 100755
--- a/win32/mmcat/mmcat.vcxproj
+++ b/win32/mmcat/mmcat.vcxproj
@@ -62,7 +62,7 @@
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
@@ -85,7 +85,7 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <ClCompile>
       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <PrecompiledHeader>
       </PrecompiledHeader>
diff --git a/win32/posix-cpp-sample/posix-cpp-sample.vcxproj b/win32/posix-cpp-sample/posix-cpp-sample.vcxproj
index 22bb62061e7017a580d6c025fa73cc8b27540c38..af0a65e95987a395fcd1f974bd4936f966eb371a 100755
--- a/win32/posix-cpp-sample/posix-cpp-sample.vcxproj
+++ b/win32/posix-cpp-sample/posix-cpp-sample.vcxproj
@@ -62,7 +62,7 @@
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
@@ -84,7 +84,7 @@
       <Optimization>MaxSpeed</Optimization>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <PrecompiledHeader>
diff --git a/win32/posix-sample/posix-sample.vcxproj b/win32/posix-sample/posix-sample.vcxproj
index 0f48844d9605ec6934efa99c94c005c4a7015582..5a1effdc2e40cea5f91b7e8abdf01a9cc73f9377 100755
--- a/win32/posix-sample/posix-sample.vcxproj
+++ b/win32/posix-sample/posix-sample.vcxproj
@@ -62,7 +62,7 @@
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
@@ -85,7 +85,7 @@
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <ClCompile>
       <AdditionalIncludeDirectories>$(ProjectDir)\..\..\;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <PrecompiledHeader>
       </PrecompiledHeader>
diff --git a/win32/tsk_loaddb/tsk_loaddb.vcxproj b/win32/tsk_loaddb/tsk_loaddb.vcxproj
index 30ac0912f6f2a233741a199af64af087e751c7fc..34cedb32ad38b9f6be22f696d1c7b80a69a195a4 100755
--- a/win32/tsk_loaddb/tsk_loaddb.vcxproj
+++ b/win32/tsk_loaddb/tsk_loaddb.vcxproj
@@ -63,6 +63,7 @@
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
       <WarningLevel>Level3</WarningLevel>
       <DebugInformationFormat>EditAndContinue</DebugInformationFormat>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;</PreprocessorDefinitions>
     </ClCompile>
     <Link>
       <AdditionalDependencies>libewf.lib;zlib.lib;%(AdditionalDependencies)</AdditionalDependencies>
@@ -80,6 +81,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <WarningLevel>Level3</WarningLevel>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE;_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
       <AdditionalDependencies>libewf.lib;zlib.lib;%(AdditionalDependencies)</AdditionalDependencies>