Try this and see if this clears the issue for you. Please log completely out of TurboTax. Then, in your browser, please clear your cache and delete your cookies. After this, close completely out of the browser. Re-open everything including logging back into TurboTax. Also, you can try completing your return in a different browser as well.
For further instructions on how to clear cache and delete cookies, please see the links below:
Clear Cache
Delete Cookies