And whats that window is for? Would it be possible for you to share the screenshot with us? https://forums.adobe.com/docs/DOC-7043#jive_content_id_How_do_I_attach_a_screenshot
Is it a blank window during launch or when you tried to open any document stored in Acrobat itself?
If you are working on windows computer, then open Task Manager>Processes> Close all the running Acrobat processes from the list.
Thanks for the response. I was able to resolve the issue by doing a "force
quit" on the document in my Mac. I think it is a problem with the actual
Glad to hear that guidance has helped a bit and you managed to find the workaround.
Let us know if any further assistance is required.