Auto-ShutDown your PC.. Try This !!!

Its is simple trick to auto shutdown or scheduled shutdown your PC.

For example you wish to shutdown at 10:45am. Type this in
start=>Run
Type Code: at 10:45 shutdown -s
to abort
Code:
shutdown -a

This will work -h for hibernate

Take Note: All time are in 24hr, example u would like to shutdown at 8:30pm, you should type "at 20:30 shutdown -s" without quote...