TurboTax for 2014 is no longer supported. You cannot update the program. What are you trying to do? It is too late to receive a refund for a 2014 return. If you owe then you still have to pay, though. You could seek local paid tax help with 2014 or you could use the forms from the IRS and prepare them by hand and mail them in.
https://www.irs.gov/forms-pubs/prior-year