A back-up folder created on 2013-01-04 was flagged as having a virus. This folder has been scanned many times by Norton and this is the first notification I've received. When I did an On-Demand Scan it says there are zero risks. Is this an issue with Norton? Which do I believe?
Screen shot of messages - https://www.dropbox.com/s/a83g75nib27rkxt/Screenshot%202014-03-19%2015.33.36.png