Create Virus to shut down the computer!!!

There are two methods of doing this
1.
First of all go to
Start Menu > then Run > type CMD (Command Prompt) , and after that when the command prompt open type "Shut down -a".
This prevent the shut down.

2.
Open the Note pad , then write
"shutdown -s -t 0"
0 = This is for shut down in 0 seconds
(t = time s=shutdown)

And if you want to restart then:-
Use this
shutdown -r -t 0
0 = same but this is for restart comp. in 0 seconds..
(only for windows xp)