What's the best FREE anti-virus/spy-ware/ad-ware removal program?

Looking for a good anti-malware program that's free. I have AVG Free edition, but it doesn't seem to work well enough. What else can I get? Preferably something that doesn't use a lot of RAM, cause my computer is old and slow.

Thanks.

What's the best FREE anti-virus/spy-ware/ad-ware removal program?free antivirus

PCTools products do get good reviews. The good thing is they have free versions of their products. They work great. Spyware Doctor from the Google pack is a must. I highly recommend it. I bought Webroots Spysweeper and spyware doctor finds stuff spysweeper does not. Having both is a perfect combo and I recommend running two anti-spyware products.

PCTools Anti-Virus

http://www.pctools.com/free-antivirus/

PCTools Threatfire - Malware Protection

This free tool makes your current anti-virus better. Definite Download

http://www.threatfire.com

PCTools Firewall Plus

http://www.pctools.com/firewall/

The Google Pack includes a free starter edition of Spyware Doctor.

http://pack.google.com/intl/en/pack_inst...

Reviews

http://www.pcworld.com/article/id,136191...

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You can do an online scan for viruses and spyware for free from the major vendors. Some of these require Internet Explorer to run

because of Active-X