What is a Antivirus/antispyware program for windows vista home premium?

My computer is new and camewith a 60 day trial of norton antivirus which is about to go out so i need a good free antivirus/antispyware program.

What is a Antivirus/antispyware program for windows vista home premium?antivirus scan

avg

http://free.grisoft.com/doc/1

or

avast

http://www.avast.com/eng/avast_4_home.ht...

Both are good free anti-virus products. I have used both and they work well without being resource hogs. I have not tried avira.

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Here is a list of some free ANTI-SPYWARE programs.

Adaware is probably the most popular.

Adaware

http://www.lavasoftusa.com/software/adaw...

Microsoft Defender

http://www.microsoft.com/athome/security...

AVG

http://free.grisoft.com/doc/avg-anti-spy...

Spyware Terminator 2

http://www.spywareterminator.com/

Spybot

http://www.safer-networking.org/

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You can also do an online scan.

http://housecall.trendmicro.com/

http://www.ca.com/us/securityadvisor/pes...

McAfee has a free site-advisor tool that helps you prevent going to websites that may be dangerous.

http://www.siteadvisor.com/

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Take a look at PCTools free firewall software.