Are you using TurboTax CD/Download or TurboTax Online?
If you are using TurboTax Online, please clear your browser cache (or use a different browser), and try again. This FAQ has instructions on how to clear the cache in several popular browsers: https://turbotax.community.intuit.ca/community/tax-topics/help/how-do-i-clear-my-cache-browsing-history/00/873530
If you are using TurboTax CD/Download, please update your software. This FAQ has instructions on how to update TurboTax CD/Download: https://turbotax.community.intuit.ca/community/navigating-turbotax/help/how-do-i-update-turbotax-if-i-have-the-cd-download-edition/00/873477