Fast Window Shutdown

Go to Start=> Run
Here you type " regedit "
Registry Editor window will be open and follow this path.

Hkey_Current_User\Control Panel\Desktop

Now find the value " HungApp Timeout "
Now edit the value and type the value 4000. The default value is 20000.
Now find this path.

Hkey_Local_machine\System\CurrentControlSet\Control\

Now the the value of " WaitToKillServiceTimeout " and type 4000.
Computer take minimum time to shutdown.