First, make sure your main software is fully updated, then close down TTX, then restart it and try again.
Then, if it still doesn't work
Try the following procedure and fix it tool:
https://ttlc.intuit.com/questions/2586062-state-loop-indicates-turbotax-is-up-to-date-after-updating...
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
