Missing Large-Files or De-Mail settings after Windows updates

Error

After installing Windows updates on the Windows servers, parts of the NoSpamProxy Outlook Add-in is no longer displayed. However, the add-in seems to be installed correctly and is loaded by Outlook.

Solution

Microsoft has tightened the security settings for accessing Group Policy with the latest Windows updates. Therefore users can no longer retrieve them. Microsoft describes the solution in its knowledge base at https://support.microsoft.com/en-us/kb/3163622 .