I ran the Windows compatibility checker on the exe file and it set compatibiltty to Windows 8 and the problem has gone away. Weird! Possibly a conflict between Acrobat reader and win 10 updates? It has been fine for years.
I ran the Windows compatibility checker on the exe file and it set compatibiltty to Windows 8 and the problem has gone away. Weird! Possibly a conflict between Acrobat reader and win 10 updates? It has been fine for years.