IF on a Windows system, did you try checking for your Windows updates, and then rebooting?
Any partially-installed recent Windows updates, on anyone's computer, have been known to block TTX updates from completing until the Windows update is fully installed and rebooted. I know a Windows update was released sometime in the last two weeks.
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
