As long as you have Kazaa and other P2P programs, you will continue to have problems. The first thing you should do is go to Add/Remove Programs in the Control Panel and remove them. Then run Kazaabegone from here to clear out the remnants of kazaa:
http://www.spychecker.com/program/kazaagone.html
Also, whenever you scan with HJT, make sure all browser windows are closed first.