Date: 2005Sep17 Updated: 2010jan21 OS: Windows Q. How can I disable Windows Messenger? A. For many people there's no need to run Windows Messenger. This is not MSN Messenger but its more primitive cousin. Some people actually get popup spam messages via Windows Messenger - they really need to configure their firewall! However, for most people its just an unnecessary service that consumes resources. Just disable and stop this Messenger service. More detailed instructions: http://www.pchell.com/support/ipmessaging.shtml