1)Right click on your desktop and choose "New=>shortcuts".
2)In the box that says
"Type the location of the shortcut",
type in "shutdown -s -t 100" without the quotation marks and click next. (100 is time in
sec, u can give any value for that)
3)Give a name for the shortcut and you're done.
4)double click to activate timer
TO ABORT:(while the timer is running)
1)create another shortcut and make
the "location of the shortcut" to " shutdown -a" without the quotes