I have found a few posts similar with this error message but non of them seem to help.
I installed the Sophos Agent on my local machine (Win 8) and entered my Active Directory credentials, this worked a treat and web filtering was working as expected.
I then restarted the machine and logged back on with the same credentials and I get the error:
Could not validate certificate! SAA will now close
Tried uninstalling / reinstalling etc but the error remains.
Any help please.
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