Under the site properties for content type to download in the console, you may see a blank check box that is not linked to any content.
The blank checkbox was not filtered out appropriately and should not appear in the console. This is a UI issue with no impact to functionality.
This issue is fixed in Symantec Endpoint Protection 14.2 RU2. For information on how to obtain the latest build of Symantec Endpoint Protection, see Download the latest version of Symantec software here.