For those of you needing virus and malware protection on your computer here is something you will want to try and the price is right, FREE. Microsoft just released today Security Essentials as a free download. Here is the link and in case it does not take you to the Microsoft.com then just cut and paste it into the URL line of your browser.
http://www.microsoft.com/security_essentials/
I have installed it and it is now doing a detailed check my 500 gig Vista system.