Well, Windows Live Messenger is a product of MSN which comes preinstalled in Windows Vista whose earlier version Windows Messenger is found pre-installed in Windows XP. But most of the people don’t use this program much and want to remove it from their system. But its not that much easy to Uninstall Windows Live Messenger as its hidden and you can’t uninstall it as you uninstall other programs. To Uninstall Windows Live Messenger you need to follow some specific points. First of all you need to open the “Run: option from the start menu. You need to paste this command – “RunDll32 advpack.dll,LaunchINFSection %windir%\INF\msmsgs.inf,BLC.Remove“. And then you need to click on ‘OK’. This will automatically uninstall Windows Live Messenger and will ask you to restart your PC. So, simply restart it and you are done. It has been removed from your PC.