Are you able to click on anything in the left side menu, or use the Find tool (magnifying glass) to go another page?

You can also try clearing your browser cache (or use a different browser), and logging in 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-hist...