If anyone has got Windows XP Pro x64, or Server 2003 x64, will know that finding a Anti-virus program is a bit of a pain in the rear end.
There are a few solutions.
AVGP Pro, which is the buyable version of one of the best virus scanners.
Nod - freeware, but has a program with VRay in 3D Studio Max, where it disables it. So if you're a Graphic designer - this is
not the option for you.
ClamWin - freeware also, this program is great - it's what i personally use at present. It's updated often, and is open source. Also, Firefox has a free addon to ClamWin which scans each file as you
download it, which normally isn't there by default.
I'm not sure if Norton works (i dont really like norton...uses too much system resources), I know Trend Micro PC-Cillian doesn't work, at least not the personal home version that you'd have.