This vbs script will shut down a PC. (Warning, it will shut down, even
if you have programs running and_have not saved_documents in them!!)
Set wmi = GetObject("winmgmts:{(Shutdown)}")
set objset = wmi.instancesof("win32_operatingsystem")
for each obj in objset
set os = obj : exit for
next
os.win32shutdown (8)