Reboot your Windows OS again, just in case that helps....could be a partially=-installed update that isn't quite done yet.
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Other thing to try:
Download and install the manual update for TTX:
Manually Update TurboTax for Windows Software (intuit.com)
This only does the main Federal part, so you might need to run an in-software update again after it is done, for yoru state forms.
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
