So I just restarted my computer and opened Internet explorer when Norton Antivirus popped up and said it found a threat (Backdoor.Graybird). I chose to use Norton antivirus to 'fix' it and after a few minutes of 'working', Norton said it was resolved. Just to make sure, I restarted my computer and ran a full system scan TWICE. only to have a tracking cookie come up (pretty normal) both times with no sign of Backdoor.Graybird. So should I feel safe and trust Norton that Backdoor.Graybird is gone? Please help!!!