Dear ,
I have the same issue,
Recently i upgrade from 14.3 RU2 to 14.3 RU7, the latest version is :14.3 RU7 14.3.9681.7000, but when i open the security icon, the update patch is sucessfully, can following the latest patch, but the big icon message is showing ""Browser Intrusion Prevention is not functioning correctly. your protection definitions may be damaged or your product installation may be corrupt"" we are using the Dark networking client, and Internet Explore IE13. before RU2, is not happen this issue.
regard