shutdown ur pc faster or slower

1- start-->run-->regeditwhen u start run and then write regedit
2- +HKEY_LOCAL_MACHINE+SYSTEM+CurrentControlSetControl
left kick on control and u will find WaitToKillServiceTimeout.dobbel kick on WaitToKillServiceTimeout.in WaitToKillServiceTimeout its 20000 it means 20 secunds...if u want to shudown windos faster then get the numbers smaller, like 10000 or 5000 (10 sec or 5 sec) or if u want to shutdown longer writ 50000 (50sec)