Certain HTTPS sites cannot be opened in Firefox after you install update 2965142 in Windows 8.1 or Windows RT 8.1

Certain HTTPS sites cannot be opened in Firefox after you install update 2965142 in Windows 8.1 or Windows RT 8.1 This article describes an update for Microsoft Family Safety. Prior to installing this update, Windows Update will verify that mandatory update 2919355 has been installed on your...