IMPROVE XP SPEED

This tweak reduces the time XP waits before automatically closing any running programs when you give it the command to shutdown.
Go to ‘Start’ then select ‘Run’
Type 'Regedit' and click ok
Find 'HKEY_CURRENT_USER\Control Panel\Desktop\'
Select 'WaitToKillAppTimeout'
Right click and select 'Modify'
Change the value to '1000'

Click 'OK'

Now select 'HungAppTimeout'
Right click and select 'Modify'
Change the value to '1000'

Click 'OK'

Now find 'HKEY_USERS\.DEFAULT\Control Panel\Desktop'
Select 'WaitToKillAppTimeout'
Right click and select 'Modify'

Change the value to '1000'

Click 'OK'

Now find 'HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\'
Select 'WaitToKillServiceTimeout'
Right click and select 'Modify'
Change the value to '1000'

Click 'OK'