How to disable shutdown in XP ?

OS: Windows XP

This a registry tweak by which you can prevent others to shut down your computer. This can be useful when you are doing some work & don't want your PC get shut down due to interference of other person. If you own a server then this is a tip which you must use as you will not want your server to get down. To apply this tweak follow as given below :

• Open Registry Editor(regedit.exe) in Run under Start Menu.
• Navigate to :- 
• HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer and to 
• HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer
• In both these locations create or modify the Dword value 'NoClose' & set it to 1. This will prevent windows from shutting down.
• If you want windows to get shut down again then set the above value to 0.

In case you dont have Explorer in the above entries then you have to create them.