Do you know of any free anti-virus software for Windows Vista?

Avast.com - Avast anti Virus (I prefer this)

free.grisoft.com - AVG anti virus (a different one, but just as good from what I've heard)

Do you know of any free anti-virus software for Windows Vista?anti virus

Try the following link: http://free.grisoft.com/doc/2/

I have it on my computer. The same company also does software for stopping and removing worms and things for free.

Do you know of any free anti-virus software for Windows Vista?auto protect

Yes, AVG Free edition. I use it with Windows Vista.
Check AVG and Avast for free Anti Virus software

Try http://tipsfromruby-internetsecurity.blo... for further help to keep your computer protected with regular virus protection and other related updates and news .
http://free.grisoft.com/doc/2/

Works good for me along with:

http://free.grisoft.com/doc/2/