$WshShell = New-Object -comObject WScript.Shell
$Shortcut = $WshShell.CreateShortcut("$env:PUBLIC\Desktop\Logoff.lnk")
$Shortcut.TargetPath = "C:\Windows\System32\shutdown.exe"
$Shortcut.Arguments = "/l"
$Shortcut.IconLocation = "C:\Windows\System32\shell32.dll,44"
$Shortcut.Save()

$WshShell = New-Object -comObject WScript.Shell
$Shortcut = $WshShell.CreateShortcut("$env:PUBLIC\Desktop\Logoff.lnk")
$Shortcut.TargetPath = "C:\Windows\System32\shutdown.exe"
$Shortcut.Arguments = "/l"
$Shortcut.IconLocation = "C:\Windows\System32\shell32.dll,44"
$Shortcut.Save()