It turned out, after some angst, that the original TT download was corrupted. It was not only the W2 entry but 90% of the updates gave an error message. TT had a link on their web site where in LIBRARY you could delete the number of pieces of code that support the app; one or many of them being the corrupted one. Then I re-downloaded a fresh copy of TT and it was successful. I have a MacBook Air computer. All other suggestions did not work because of the corrupted download. Deleting the original TT download using Clean-My-Mac, may have cleared out the "bad" code. Unfortunately, I did not try it. I hope this helps someone.
