Hello, Please follow the steps: * First i want you to check if your FireFox is up-to-date by going to menu>Help>about FireFox. * Enable FireFox Health report by going through this easy [https://support.mozilla.org/en-US/kb/firefox-health-report-understand-your-browser-perf article]. * Enable Mozilla Crash Report from this [https://support.mozilla.org/en-US/kb/mozillacrashreporter article]. * Troubleshoot FireFox by going through different steps, [https://support.mozilla.org/en-US/kb/use-troubleshooting-information-page-fix-firefox Click Here]. We are here to help if your problem isn't resolved.