I started running AVG under XP-Pro. I have had no problems with it running under any version of Windows since then. I tried Kaspersky, and considered it too intrusive.
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http://security.symantec.com/nbrt/overview.asp?lcid=1033&origin=default
Tried it on a W7 HP 64bit system, not too impressed.
It was a clients PC, and infected.
Although this software is not for primary malware removal, I did try it to see what it would do, I removed the hard drive and...
I have a problem with Norton 360 beta and Win 7. There is a dll file within Norton that causes Explorer to crash whenever you try to right click to do anything. Not only that, it crashes when you select a file and choose "Properties" from the Menu, so I can't delete it, rename it, or change it...