I updated from AVG 9 to 11. Everything seemed to be fine. Made sure the updates were done, restarted, and then it tells me the registration code is invalid. So, I try to reactivate. No change. Restart again, thinking maybe it didn't load properly. Nope. Now AVG doesn't show up in my Add/Remove Programs, I can't delete the folder manually. avgdwsvc.exe show up three times in Task Manager. Two I can end, one gives me an error saying access is denied. I'm logged in as Administrator. Now I can ...