Very Fast Shutdown in Windows Vista or XP

For Vista Users(Not Tested by Myself)
Here’s a neat one I fell over somewhere on the web:
Open Regedit (WINDOWS KEY + R on your keyboard, or by clicking Start and typing on the search bar “regedit” without quotes. Hit Enter
Navigate to [HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControl] On the right panel look for the “WaitToKillServiceTimeout” string and change it value to 1000 by right clicking the string and selecting Modify…
Default Value WaitToKillServiceTimeout=20000
Modified value WaitToKillServiceTimeout=5000
Modified value WaitToKillServiceTimeout=1000 (extreme, use it at your own risk)
I found 3000 worked nicely but try the 5000 first. 3000 does sometimes leave some programs lagging which then need a further key click.

<p>
  Other way is to Right Click on Desktop and create new shortcut and set its Target at-<br /><code>shutdown.exe -s -t 00</code> </div> 
  
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    <span style="font-size: 24px;">For XP Users</span>
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    <a href="https://hotimg15.fotki.com/a/117_200/51_143/9-6-2008-4-06-48-PM.jpg" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" src="https://hotimg15.fotki.com/a/117_200/51_143/9-6-2008-4-06-48-PM.jpg" /></a>Open Task Manager by pressing Ctrl + Alt + Del<br />Go to&nbsp;Shutdown menu and click while pressing Ctrl.</p> 
    
    <p>
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