Unos scripts...
Logoff.vbs
set WshShell = CreateObject("WScript.Shell")
WshShell.SendKeys "^{ESC}ul{ENTER}"
Restart.vbs
set WshShell = CreateObject("WScript.Shell")
WshShell.SendKeys "^{ESC}ur{ENTER}"
Shutdown.vbs
set WshShell = CreateObject("WScript.Shell")
WshShell.SendKeys "^{ESC}uls{ENTER}"
Standby.vbs
set WshShell = CreateObject("WScript.Shell")
WshShell.SendKeys "^{ESC}ulss{ENTER}"