This is the XP forum so it's assumed that when you post, it's related to XP...
For Win2000, a freeware program (actually "donationware") called "Startup Inspector for Windows" should do what you want nicely. I use it in XP but it should work in 2K as well. Check it out below...
http://www.windowsstartup.com/startupinspector.php
HTH
>> Stay informed about: Stopping programs from auto starting on boot up