Pop-up advertisements

From: Dean (admdean_at_sbcglobal.net)
Date: 03/30/04 

Date: Tue, 30 Mar 2004 12:22:46 -0800

Some how my xp software has been infected by an
advertisement worm. I have tried spybot software which
recognizes the invaders and temporarily removes them, but
they come right back each time I go online. Can anyone
help with this problem. It is very frustating. Thank
you.