What is a good anti virus and spyware software that is free and doesn't slow down my computer?

must be free.

What is a good anti virus and spyware software that is free and doesn't slow down my computer?free antivirus

AVG Anti-Virus Free Edition - is the well-known antivirus protection tool. AVG Free is available free of charge to home users for the life of the product. Rapid virus database updates are available for the lifetime of the product, thereby providing the high level of detection capability that millions of users around the world trust to protect their computers. AVG Free is easy to use and will not slow your system down (low system resource requirements. Highlights include automatic update functionality, the AVG Resident Shield, which provides real-time protection as files are opened and programs are run, free Virus Database Updates for the lifetime of the product, and AVG Virus Vault for safe handling of infected files. http://www.download.com/AVG-Anti-Virus-F...

SpywareBlaster 4.0 "Freeware" It doesn't scan for and clean spyware--it prevents it from being installed in the first place.

The most important step you can take is to secure your system. And this is the most powerful protection program available. It can help keep your system spyware-free and secure, without interfering with the "good side" of the web. And unlike other programs, does not have to remain running in the background. Get it here: http://www.download.com/SpywareBlaster/3...