I had a very, very bad experience with AVG. AVG let two trojans in and couldn’t deal with them. avast! did and I will stick with avast! from now on. When I brought this Dell home I downloaded avast!, uninstalled McAfee, then installed avast!. I won’t even lower myself to write anything about Norton or Kapersky or Avira. I would recommend the OP to do a clean install of avast!.