It happens EVERY time I click on a post on the Chipboard. Any help appreciated.

Trojan.JS.Redirector.ar was found in C:\Users\Bill\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\DSPWI9PH\show_ads[1].js on 1/25/2010 3:22:20

Ciao,
Bill Romano R-6330 (NJ)