Security History Remark

Hi, I'm receiving this entry on my security history log, and think someone may have gained access to my computer.  Norton 360 v.3 tells me no action necessary, what do I need to do to find out if someone has accessed my computer?  Thanks for any help you can give me.

 

 

 

 Unauthorized access.jpg

[edit: Resized image.]

 

 

 

Message Edited by shannons on 07-16-2009 07:51 AM