I'll tell you some things to try. and if necessary, how to phone TurboTax Support tomorrow.
Log out, empty your browser cache. Close the browser and reopen it.
This time open a private window (private browsing, aka incognito mode.)
Go to the TurboTax website and try again.
If problem persists, if you have another browser, see if a different browser makes any difference.
If still not successful, post back, and I'll tell you how to use the Account Recovery tool to see if you can get in, and how to phone Support, if necessary.
