The program shouldn't become unresponsive. Check your Internet connection. Assuming you have all of the minimum system requirements, you might also try clearing your cache and cookies. Try restarting your device, or using a different browser; Chrome tends to work well. If after trying all of the options mentioned you still have the same problem:
See this help article for instructions on how to contact TurboTax customer support depending on which product you are using.
Some Mac users have experienced issues with printing this year. If you want to print your entire return (or save as PDF) all of the forms and schedules that TurboTax created, using TurboTax for Mac, with a return open in the program:
Selecting "All forms & schedules" will produce copies of all of the documents TurboTax has created.
4. Click Continue
5. Review the choices in the print menu. To print to PDF, choose "PDF" in the lower left corner of the print window.