Norton security scan vs anti virus 2003?

whether these two doing the same function, Is it necessary to download both of them Possibly security scan scans for viruses plus removes the spyware. whereas the antivirus scans for viruses alone, Is both of them uses the same virus definitions.

Of one is there which is the best one to keep.

Norton security scan vs anti virus 2003?internet

Hi there both good to have

Norton security scan is not a real time anti virus program, it will only scan when you tell it to

anti virus 2003 has a real time scanner

but anti virus 2003 is very old and may not be the best way to protect your computer you need new anti virus software.

For a list of current anti virus software go here

http://www.supportcave.com/virus/