This is what I get, but I can continue. see screenshot What are you getting? Did you try Firefox in Safe Mode? https://support.mozilla.org/en-US/kb/diagnose-firefox-issues-using-troubleshoot-mode#w_how-to-start-firefox-in-4troubleshoot-modesf5safe-modesf Also try the Forget About This Site option. https://support.mozilla.org/en-US/kb/remove-websites-address-bar-suggestions#firefox:win11:fx100 Clear the browser cache. https://support.mozilla.org/en-US/kb/how-clear-firefox-cache Edition Windows 11 Pro Insider Preview Version 22H2 Installed on ‎30-‎Sep-‎22 OS build 25211.1010 Experience Windows Feature Experience Pack 1000.25211.1010.0