I don't know why that's not working for you.
Close your TurboTax program completely.
Re-launch it.
At the main screen it opens on, click the File menu at the top left corner and choose "New Tax Return". Be sure you are not choosing "Open" Tax Return.
Is it still not working for you?
If it's still not working for you, then close it and re-start it again. At the main screen look in the middle at the section "Don't see your return in the list?" You will see a blue button there that says "Start a New Return". Does that work?
