It finally worked for me although I'm not sure if the suggestion from DoninGA to let the software run its updates and then restart my system helped eventually. I didn't uninstall and reinstall again. as suggested. When I first tried DoninGA steps, it didn't work for me so I gave up for the day and didn't get time to try again until two weeks later which was last Saturday. I opened my software and tried again to complete my taxes and it finally worked with no error messages.
