Improve Windows-XP Shutdown Speed :-

1) Go to Start then select Run

2) Type 'Regedit' and click ok

3) Find 'HKEY_CURRENT_USER\Control Panel\Desktop\'

4) Select 'WaitToKillAppTimeout'

5) Right click and select 'Modify'

6) Change the value to '1000'

7) Click 'OK'

8) Now select 'HungAppTimeout'

9) Right click and select 'Modify'

10) Change the value to '1000'

11) Click 'OK'