If you have problems installing and configuring AEM Document Security Extension for Microsoft Office, make sure that you carefully followed the instructions listed in the - before you install - section of installation article.
If you installed and configured everything according to the documentation, review the following sections for issues similar to those you are experiencing.
The LoadBehavior property in Windows Registry specifies the runtime behavior of document security plug-in. If the LoadBehavior property is set to 3, all the plug-ins are loaded automatically. Before installing the Document Security Extension for Microsoft office, ensure that the value LoadBehavior property is set to 3.
Take a backup of Windows Registry before you make changes to it. For detailed instructions, see How to Modify the Windows Registry.
In the Registry Editor, navigate toHKEY_CURRENT_USER\Software\Microsoft\Office\Word\Addins\Adobe.DRMIntegration.WordAddin or HKEY_LOCAL_MACHINE\Software\Microsoft\Office\Word\Addins\Adobe.DRM.
Set value of the LoadBehavior property to 3.
Close the Registry Editor.
For detailed information about LoadBehavior, see the Registry Entries for VSTO Add-ins article.
This section discusses possible issues with your installed AEM Document Security Extension.
To ensure that Office applications start smoothly on a machine that has Document Security Extension installed and McAfee VirusScan with On-Access Scan enabled, disable the Buffer Overflow Protection option in the McAfee VirusScan Console.