Delete default Messenger Msn from windows

Simply go to Start-> Execute... , write on dialog box:

RunDll32 advpack.dll,LaunchINFSection %windir%\INF\msmsgs.inf,BLC.Remove

Once erased and restared the PC we will not have the Messenger in our system.

Bibliography:

http://www.publispain.com/trucos-xp/trucos/Win_XP/75.htm