Increase Shutdown Speed Of Windows XP in seconds!

My windows were really slow but i tried this simple trick and it really worked out! If your computer is also slow while shutting down then just play this small and interesting game with the registry again and beleive me you will see a drastic change in the shut down speed of your computer. It really helped me and im sure that it will help you also! Now follow the following steps....
1. Go to 'start' and select 'run' and type 'regedit'.
2.Find HKEY_CURRENT_USER\control pannel\Desktop\Select 'WaitToKillAppTimeout'.
3.Right click and select 'Modify'.
4.Change the value to '1000'.
5.Click OK.
6.Now select 'HungAppTimeout'
7.Right click and select 'Modify'
8.Change the value to 1000.
9.Click OK.
10.Now fing HKEY_USERS\DEFAULT\controlpannel \desktop
11.Select 'WaitToKillAppTimeout'.
12.Right click and select 'Modify'.
13.Change the value to'1000'.
14.Click OK.
15.Now find  HKEY_LOCAL_MACHINE\SYSTEM\CURRENTCONTROLSET\CONTROL\
16.Select 'WaitToKillServiceTimeout'.
17.Change the value to '1000'.
18.Click OK.
Now shutdown your computer and feel the difference..;)
(the content may be similar to many other posts)