These are Anti-Virus Programs that Clean Access will accept 

ALWIL, Aha Labs, Authentium, ClamWin, Computer Associates Int., Earthlink, Eset, F-Secure Corp., Frisk Software Int., Grisoft, H+BEDV, Kaspersky Labs, McAfee, Panda, SOFTWIN, SaID Ltd., Spohos, Symantec (Nortons), Trend Micro, Yahoo!, and Zone Labs   

We have not yet been able to test Clean Access with each of these vendors' anti-virus software, but initial testing with a selection of them has been positive.