Try using the Search Function of the Forums, as this has been discussed many times before.
Try using AVGFree AV, there's a link for download in this thread.
tools/options
Remember to update AVG before doing a scan.
If anyone's having this problem, along with LW popping up all the time, there are fixes to try in this thread.
http://www.gnutellaforums.com/genera...estarting.html