The screen is frozen. What do I do?

Try this: 

Log out of Turbo Tax and close out of your browser.  Then, clear your cache and delete your cookies.  Open up your browser window and go back into Turbo Tax.  This should have fixed your issue.  Please see below on how to clear your cache and delete cookies:

Clear Cache:

https://ttlc.intuit.com/replies/3302272

Delete Cookies:

https://ttlc.intuit.com/replies/3301745

How do I log out when it is frozen ?

Just close your browser or turn your computer or device off and on.