The Reader DC icon on my Mac changed to this and now the "Fill & Sign" feature constantly crashes. This happened after the last DC update which shows this:
Architecture: x86_64
Build: 19.21.20047.353337
AGM: 4.30.91
CoolType: 5.14.5
JP2K: 1.2.2.44610

See the attached file for the icon that appears.

Do you think the two items (strange icon and constant crashing) could be related? I have to use the Adobe Uninstaller to remove DC to clean it out completely, then reinstall DC. It will work for one or two documents, then returns to continuous crashing, whereupon I have to uninstall and reinstall. Thanks for any help you can give.