Sorry Jim...didn't see the dupe posting:

http://forums.us.dell.com/supportforums/board/message?board.id=si_virus&message.id=13635

Jim's advice is excellent...we can check out for viruses first then run Doug's tweak if you're clean (probably aren't). >;-> 

New Posters....please stay in the first thread you start.

Thanks,

Texruss

Assuming you don't have a virus:

http://www.dougknox.com/xp/utils/xp_taskmgrenab.htm

Texruss