What are some of the higher quality Adaware / spyware removal products that are free?

What are some of the higher quality Adaware / Spyware removal products that are free? I have Adware 6.0, Spybot, Microsoft Defender, but I'm worried, I'm not killing them all. If Please list the free software that can be downloaded from the Internet.

Spybot Search and Destroy http://www.download.com/3000-8022-10122137.html?tag=pao AdAware SE> http://www.download.com/Ad-Aware-SE-Personal-Edition/3000-8022_4-10399602.html? tag = lst-0-1 a-squared Free http://www.webroot.com/land/freescan.php> http://www.emsisoft.com/en/software/free/ http://housecall.antivirus.com/housecall/start_frame.asp http://housecall65.trendmicro.com/ X-Cleaner Micro Edition scan http:/ / www.kaspersky.com / Virusscanner http://www.spywareguide.com/onlinescan.php http://www.windowsecurity.com/trojanscan/ http://www.bitdefender.com/scan8 / http://www.pandasoftware.com/products/activescan / com / activescan_principal.htm ie.html http://www3.ca.com/securityadvisor/virusinfo/scan.aspx http://www.javacoolsoftware.com/ spywareblaster.html SpywareGuard too. http://www.javacoolsoftware.com/spywareguard.html http://www.ewido.net/en/onlinescan/

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