Disabling Msn Messanger At Startup :-

To Disable Messenger MSN from running go to the start menu and select RUN. In the window that appears type regedit The Registry editor will now have opened. Navigate to the following Key:

HKEY_LOCAL_MACHINE\Software\Policies\Microsoft


Now create a new key by selecting Edit from the main menu bar. Now select New then Key.

Name this new Key: Messenger

Now select the newly created Messenger Key and create another new Key. Only this time we are going to name it: Client
Next we have to create a DWORD value. So Right Click the new Client Key and select New then DWORD.

Name the DWORD PreventRun
Now we need to give it a Data Value of 1
Now restart Windows XP and you will have successfully Disabled Messenger MSN