what is the best virus protection and malware/spyware protection to have?

I have recently been having a lot of trouble with malware on my computer. I did a full system restore and now i need the best protection possible for viruses and malware/spyware. what would you recommend me using ? are there any GOOD free programs as well?

A good one to buy is Norton Anti-Virus 2009

A good one for free is AVAST Anti-virus and windows defender work pretty well together

For Avast

http://www.filehippo.com/download_avast_antivirus/

For windows defender

http://www.filehippo.com/download_windows_defender/

Free Anti Virus and Spyware protection program.

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