Use either ClamWin Or AVG AtiVirus, but not both of them.

But you can use AdAware, SpyBot and SuperAntiSpyware, all of them together with 1 AntiVirus program, maybe even SpyWareBlaster also, but it might be too much to have more than 3 AntiSpyWares and 1 AntiVirus.

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ClamWin

http://www.clamwin.com/content/view/18/46/

DownLoad

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AdAware

http://www.lavasoft.com/single/trialpay.php

DownLoad

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Spybot

http://www.safer-networking.org/index2.html

DownLoad

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SUPERAntiSpyware

http://www.superantispyware.com/superantispywarefreevspro.html

DownLoad

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ClamWin Portable

http://portableapps.com/apps/utilities/clamwin_portable

DownLoad

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Otherwise:

AVG AntiVirus

http://free.avg.com/

DownLoad

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SpyWareBlaster

http://www.javacoolsoftware.com/spywareblaster.html

DownLoad

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