If you've already run adaware and the problem has returned surely logic says try a different tack?
Running CW Shredder
if you haven't already would be a wise move IMO
Its designed to remove the bits that adaware & spybot don't remove and then some
I use all 3 on Windows 98 2nd edition every day with no problems
If you don't believe me then check out the recommendations at
cheers
B....OZ