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Latest version of Firefox doesn't open certain sites

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ahpitre
ahpitre

After installing the latest version of Firefox on Windows 11 I can no longer view certain sites (like Allstate.com). Tried clearing data, uninstalling/disabling all extensions and addons, etc., nothing works. Previous version worked fine. Love Firefox, been using for years (before Edge and Chrome came out), still, seems to slowly getting less functional as many sites I simply need to open in Edge or Chrome. Sad as I think that Firefox is the best browser, but, if most sites are developed with Chrome/Edge in mind then Firefox will fall behind in terms of compatibility.

After installing the latest version of Firefox on Windows 11 I can no longer view certain sites (like Allstate.com). Tried clearing data, uninstalling/disabling all extensions and addons, etc., nothing works. Previous version worked fine. Love Firefox, been using for years (before Edge and Chrome came out), still, seems to slowly getting less functional as many sites I simply need to open in Edge or Chrome. Sad as I think that Firefox is the best browser, but, if most sites are developed with Chrome/Edge in mind then Firefox will fall behind in terms of compatibility.

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SuMo Bot
SuMo Bot

What OS? If windows, what security software besides MS Defender are you running? What version of Firefox? Did you try with Firefox in Troubleshoot Mode? https://support.mozilla.org/en-US/kb/diagnose-firefox-issues-using-troubleshoot-mode#search I'm able to log into my Allstate account. see screenshot Post a screenshot showing the issue.