I have had this problem for a long time, but I rarely use Acrobat Reader (until now) so I didn't bother fixing it. The problem is, every time I try to sign a document, the screen becomes dark and nothing happens. I can't click on anything or do anything except click esc to exit out of the dark screen. It is extremely frustrating. Anyone have any suggestions?
When I click add signature:
After clicking Ok on dialog box, everything becomes dark:
Comment markup and annotate, General troubleshooting, How to, PDF forms, Security digital signatures and esignatures