Try the above if it doesn't work I'll talk you through how to remove the hi-jack manually.
EDIT: Ah here we go,
http://www.lavasoftusa.com/software/adaware/ the daddy of Spyware / Hijack killers.
Also
http://www.microsoft.com/athome/secu...e/default.mspx
Microsoft's remover.
Quick and easy, no need to sift through a hijack-this report which is a bit of a PITA even to a geek like me!
If you're having probs getting to these sites download Firefox + get them that way,
http://www.getfirefox.com.