Try http://www.surfright.nl/en then go get your HIJACKTHIS log and look at each item. Any DNS or BHO entry is going to be suspect.
Bob
OS is XP.
Browser is IE8.
Googles searches are being hijacked.
I have tried Ad-aware,
AVG,
Spybot,
Malwarebytes,
Advanced SystemCare4,
Spywareblaster

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic