I see some messages in console, like:
com.apple.SecurityServer: Failed to authorize right 'com.sophos.cleanup' by client '/Library/Sophos Anti-Virus/SophosAntiVirus.app' [32234] for authorization created by '/Applications/Sophos Anti-Virus.app' [32906]
SAV 7.3.3C, OS X 10.7.1
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