Please, do not listen to this maniac. He comes here for 1 day and posts things to screw people over. After:
Okay, what you should do is try using MS-DOS and typing in
shutdown -f -t 00
I'll rip that apart for you, the "shutdown" is telling MS-DOS to use an app called "shutdown" and the "-f" is telling it to force the shutdown, not letting any programs keep it from happening, and the "-t 00" is telling it to shut down in a time of 00 seconds.