Hello there, Many site issues can be caused by corrupt cookies or cache. In order to try to fix these problems, the first step is to clear both cookies and the cache. Follow these easy steps to clear your cookies and cache from your browser: https://support.mozilla.org/en-US/kb/clear-your-browsing-history-and-other-personal-dat If the problem still exists then i would suggest to reinstall Firefox from scratch. Hope this helps!