avira antivirus is the best free antivirus you can download it from link below
http://www.free-av.com/en/download/index.html
free firewall-COModo
http://www.personalfirewall.comodo.c..._firewall.html
free spyware-spybot search and destroy
http://www.safer-networking.org/en/mirrors/index.html
enjoy surfing ;D
here are some test results (feb 2008)
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