I have a Cisnet comp. w/2.66g Intel P4 505 processor.Have win XP Home 5.1.2600 sp2 build 2600 installed. Upon opening a web page (Keygen.com),immediately a virus took hold of my comp. I have Norton antivirus 2005 and it went right past it. Was using IEexplorer version 6.0.2900.2180,build 62900.2180 at the time. tried to go to Symantec.com for Norton repair.Upon trying to use their repair tools available on their sight, I received an error message telling me that I needed a version of IE newer than version 5.0. I have the most updated version of IE