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Adaware http://www.lavasoft.de
spybot http://www.safer-networking.org
AVG free antivirus http://free.grisoft.com/
Etrust/Vet/CA.online Antivirus scan
http://www3.ca.com/securityadvisor/virusinfo/scan.aspx
Super Antispyware http://www.superantispyware.com/
Panda online AntiVirus scan http://www.activescan.com
Panda online AntiSpyware Scan
http://www.pandasoftware.com/virus_info/spyware/test/
Catalog of removal tools (1)
http://www.pandasoftware.com/download/utilities/
Catalog of removal tools (2)
http://www3.ca.com/securityadvisor/newsinfo/collateral.aspx?CID=40387
Trouble Shooting guide to Windows http://mvps.org/winhelp2002/
Blocking Unwanted Parasites with a Hosts file
http://mvps.org/winhelp2002/hosts.htm
links provided as a courtesy,  read all instructions on the pages before
use
Grateful thanks to the authors/webmasters
_