Set objShell = CreateObject("Wscript.Shell")
Set fsObject = CreateObject("Scripting.FileSystemObject")
objShell.Run """" & objShell.ExpandEnvironmentStrings("%SYSTEMDRIVE%") & "\FWSUpdates\bin\on_shutdown.bat" & """", 0, True
If fsObject.FileExists(objShell.ExpandEnvironmentStrings("%SYSTEMDRIVE%") & "\FWSUpdates\offline_upgrade.bat") Then
    objShell.Run """" & objShell.ExpandEnvironmentStrings("%SYSTEMDRIVE%") & "\FWSUpdates\offline_upgrade.bat" & """", 0, True
    fsObject.DeleteFile(objShell.ExpandEnvironmentStrings("%SYSTEMDRIVE%") & "\FWSUpdates\offline_upgrade.bat")
End If