Last update January 20, 2022 / This article concerns Mac OS X users only
It may happen your OS X version is no longer suported by the current version of D16 plug-in. On such occasions it's recommended either upgrading your OS X version or going back to older version of our product.
If you choose the second way of resolving this problem, having a valid account at User Area gives you an access to all versions of a plug-in you do own a license for.
This FAQ entry will show you where to look for the previous version of a D16 product
Make sure which version of a plug-in will be suitable for your OS X version and host application. You may do it by checking plug-in's compatibilty chart here.