Only use one anti-virus product. Running more than one actively can cause conflicts thus rendering each ineffective as well as being a huge system resource drain. Below are links to Norton and SmartComputing outlining problems when having more than one active AV product:
No, it is not wise.
Only use one anti-virus product. Running more than one actively can cause conflicts thus rendering each ineffective as well as being a huge system resource drain. Below are links to Norton and SmartComputing outlining problems when having more than one active AV product:
http://service1.symantec.com/SUPPORT/nav.nsf/docid/2000031316555206
http://www.smartcomputing.com/editorial/article.asp?article=articles%2F2003%2Fs1407%2F38s07%2F38s07.asp
It is unwise to have Norton on your computer at all.
AVG, Crapcleaner, Zone Alarm are about all you need