Attached Link: http://www.overclockersclub.com/guides/windows_xp_services.php

CD, here's the list of services, their status and what to do with them. If you don't have Services in Administrative tools, you can access them by going to Start -> Run -> and typing services.msc. If I'm not wrong, Spybot Search&Desstroy shows a list of services with their components. BTW, the first thing to shoot is Messenger service.

-- erlik