Se volete rimuovere l´installazione forzata di msn messenger dopo aver fatto un update di windows. Una sola possibilitá é eseguire questo comando Avvio | Esegui
RunDll32 advpack.dll,LaunchINFSection %windir%\inf\msmsgs.inf,BLC.Remove ok

If you want to remove MSN Messenger from Windows XP and can’t seem to find it in the Add/Remove Programs. You need to edit one file to have it displayed in Add/Remove Programs. There is a couple ways to uninstall MSN Messenger. One way is too run this command from Start | Run.

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