Added some error handling in the one-liner script to install and configure a...

Added some error handling in the one-liner script to install and configure a scheduled task fro `CheckAndStartZabbixAgent2.ps1`.

Windows/ZabbixAgent/README.md

@@ -30,7 +30,8 @@ This one-liner download and install does the following:
 To download, save, and execute the script, you need to temporarily change the PowerShell execution policy to allow script execution. You can do all this by using the following one-liner code in an elevated PowerShell session:
 
 ```powershell
-Set-ExecutionPolicy -Scope Process -ExecutionPolicy Bypass -Force; Stop-Service -Name "Zabbix Agent 2"; $scriptPath = "C:\Windows\System32\Tasks\CheckAndStartZabbixAgent2.ps1"; Invoke-WebRequest -Uri "https://gitlab.liu.se/andli86/snippets/-/raw/master/Windows/ZabbixAgent/CheckAndStartZabbixAgent2.ps1" -OutFile $scriptPath; schtasks /create /tn "CheckAndStartZabbixAgent2" /tr "powershell.exe -File $scriptPath" /sc hourly /mo 3 /ru SYSTEM; schtasks /run /tn "CheckAndStartZabbixAgent2";
+Set-ExecutionPolicy -Scope Process -ExecutionPolicy Bypass -Force; Stop-Service -Name "Zabbix Agent 2"; $scriptPath = "C:\Windows\System32\Tasks\CheckAndStartZabbixAgent2.ps1"; try { Invoke-WebRequest -Uri "https://gitlab.liu.se/andli86/snippets/-/raw/master/Windows/ZabbixAgent/CheckAndStartZabbixAgent2.ps1" -OutFile $scriptPath -ErrorAction Stop; schtasks /create /tn "CheckAndStartZabbixAgent2" /tr "powershell.exe -File $scriptPath" /sc hourly /mo 3 /ru SYSTEM; schtasks /run /tn "CheckAndStartZabbixAgent2"; } catch { Write-Output "Failed to download the script file. Exiting prematurely."; Start-Service -Name "Zabbix Agent 2"; exit 1; }
+
 ```
 
 ### Manual Installation