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 try uninstalling & reinstalling the program using the download from our website. It will not delete any of you saved returns.
This FAQ tells you how to install TurboTax CD/Download: https://turbotax.community.intuit.ca/community/product-information/help/how-do-i-install-turbotax-for-the-current-tax-year-after-i-download-it-from-the-internet/00/873710
If you are still unable to resolve this issue, please contact us by phone. To talk to our phone support team, visit https://support.turbotax.intuit.ca/contact/. After entering some basic info about what you need help with, the page will give you the phone number for the team best suited to help.