Download and install the Manual Update. That is run separately from the main program, and may fix the issues you are having. It takes a lot longer to run than expected...so go do something else for 15 min after you are sure it has started up.
Manually Update TurboTax for Windows Software (intuit.com)
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*