This question is similar to this one: TeXnicCenter & Adobe Reader DC.
How to configure TeXnicCenter to work with Adobe Reader DC?
I have used the solution(s) listed on that linked question many times in the past. However, the solutions no longer work. This may be due to a recent upgrade to Windows 10, or because the Adobe Reader version is wrong.
What I have tried:
- Checking the location of AcroRd32.exe (it is still in the same folder)
- Changing the server to
acroviewR19. (If I open AcroRd32.exe, the version at the top is19.021.20061. Before the OS upgrade, I was successfully usingacroviewR19as the server.) - Changing the server to
acroviewR20. This opens Adobe Acrobat Reader DC (if it is not already open) while TeXnicCenter hangs for about 20 seconds before showing the same error message. - Changing all 5 instances of
%bmto%tmon the viewer tab of Profiles based on the suggestion here (even though that related to BibTeX, not the output viewer). - Setting packages to be automatically installed on-the-fly (as suggested here; this was the setting I had previously when it worked). (i.e. MiKTeX Console > Settings > General tab > "Always install missing packages on-the-fly").
Regardless of what I do, I get the same error message as on the other post:
If I use acroviewR19, I sometimes see this error message first before getting the one above:
There was an error opening this document. This file cannot be found.
I've applied the latest OS updates and restarted my computer.

AcroviewR19as server and it still works. – Ulrike Fischer Jan 23 '20 at 08:15acroviewR19as the server rather thanacroviewR15. – Earlien Feb 08 '20 at 00:31