I’m locked out of turbo tax and unable to proceed forward. Trying to move forward/backwards pop up tells me cancel/try again.

You may have to do an account recovery to get back in your account.  Go to account recovery page to get back in here:  https://myturbotax.intuit.com/account-recovery/?  or you can also go here:  https://ttlc.intuit.com/replies/3300098