RE: "UD, I have been using Trend Micro one of the few recommended/partnered by Microsoft."
Thats a good point, Frank, and if you value the findings of Consumer Reports Mag any, the Sept2004 issue has their #1 and #2 antivirus software "quick picks" recommendations for "full-featured, easy-to-use" programs are Trend Micro PC-cillan 2004 ($50)followed by Norton AntiVirus 2004 9.0, also at $50.