May be not exactly the same issue as you, but I'm also experiencing a dual screen monitors crash,
But for me it is since DR 12.5.
Currently, before activating the dual screen mode,
To bypass this problem, I need to first to select the media page, I change the primary display to Display 2 , I clic to color tab and then I change the primary display to Display 1.
I found this bypass on this thread below:
viewtopic.php?f=21&t=51910I just hope it will be fixed soon.