Norton Antivirus?

Yes Norton's is well know among advanced computer users to be a resource hog. on top of that it's not rated high in detection / removal.

I recommend the Top rated Kaspersky you can find it on amazon for under $30

If you want to stick with Free make sure you are using the best.

Check out the video review below for the best free Antivirus program ~ Patrick

The Top Rated Free Antivirus Program researched from those who test Antivirus programs (av comparatives, virus.gr, and other reviews including this video review) http://www.youtube.com/watch?v=KhXZo3dHulc is

Avira Antivir http://www.download.com/Avira-AntiVir-PersonalEdit...

Today you are in more danger from Spyware I Download, Install, Update and Run SuperAntiSpyware

http://www.download.com/SUPERAntiSpyware-Free-Edit...

( I used this to remove spyware and Trojans from a laptop that adaware would only detect but not get rid of ) It detected and removed everything

These 2 FREE tools will help keep your machine clean

Yes I heard that it can run your PC slow, but I got many many viruses from even having the FREE anti virus, so I git Nortin and never so far have had one and its been almost 2 years.

yes thats because norton is not a very good anti-virus take it from me i tried them all and i'd have to say black ice firewall and nod32 works very good on my computer and there free to....