To install a latest a latest copy of Windows Live Messenger due to WLM 2009 having login problems, you need to uninstall existing WLM 2009 from your computer. To uninstall Windows Live Messenger 2009, you may try to uninstall it at Control Panel - Programs. If Windows Live Essential not found under program uninstall list, here the easiest way to uninstall it.
Download ZapMessenger
Just click start and it'll uninstall or remove Windows Live Messenger from your PC.
Download latest Windows Live Messenger here.
