Hey Guys Im a computer tech.
Yes nortons tends to have a lot of issues protecting itself from viruses. the reason for this is that it is the most popular antivirus on the market. so the virus/hackers tend to look for ways to exploit the number one security package.
I have installed hundreds and hundreds of antivirus packages over the last ten years and found they all have weaknesses to some degree.
My choice .... is AVG ... and its FREE ... that right FREE... want it?
http://free.grisoft.com/doc/1
download it and install it today, its not memory hungry like nortons that takes a huge footprint in the memory. it will update automatically and finds viruses that nortons cant see.
if you are using xp sp2 then you can turn on the firewall (built in to windows) this will be substantual for most situation.
if you are running 98 me or 200 then download zonealarm free
http://www.zonelabs.com/store/content/c ... lid=nav_za
also download adaware to remove nast spyware (different than viruses)
http://www.lavasoft.com/
that should keep most people pretty safe 95% of the time.
ohh and if you get really stuck....
http://www.fixuonline.com