Clear cache reset extension and addons reset firefox

A solution to the same problem was found in the following thread but that was in 2019. Security software may have changed something. Try entering about:policies in the address bar and, if something is there, post it here.

https://support.mozilla.org/en-US/questions/1257400 https://support.mozilla.org/en-US/kb/customizing-firefox-using-autoconfig https://support.mozilla.org/en-US/kb/customizing-firefox-using-group-policy-windows

It may help to check (and, if incorrect) reset your user agent.

https://whatmyuseragent. com/ https://support.mozilla.org/en-US/kb/how-reset-default-user-agent-firefox

You can try to disable the accessibility services.

• https://support.mozilla.org/en-US/kb/accessibility-services

You can check the connection settings.

• Settings -> General -> Network: Connection -> Settings

If you do not need to use a proxy to connect to internet, select "No Proxy" if "Use the system proxy settings" or one of the others do not work properly.

See "Firefox connection settings":

• https://support.mozilla.org/en-US/kb/websites-dont-load-troubleshoot-and-fix-errors
• https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can
• https://support.mozilla.org/en-US/kb/firefox-and-other-browsers-cant-load-websites

Do you have enabled "Resist Fingerprinting" if you check this pref on the about:config page?

• privacy.resistFingerprinting => false
• https://support.mozilla.org/en-US/kb/firefox-protection-against-fingerprinting

Yous posted this thread while using this as your browser UserAgent : Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.3 Edge/16.16299

Were you indeed using the Firefox 112.0 web browser on addons.mozilla.org ?

Yes, I was using 112.0.2

You've modified your useragent. Enter about:config in the address bar and find the general.useragent.override preference. It should be deleted.

Do you have an extension that modifies the user agent as having a MS Edge user agent is highly unusual ?

• https://support.mozilla.org/en-US/kb/diagnose-firefox-issues-using-troubleshoot-mode
• https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems

Boot the computer in Windows Safe Mode with network support to see if that has effect.

• https://www.bleepingcomputer.com/tuto.../how-to-start-windows-in-safe-mode/
• https://www.digitalcitizen.life/4-ways-boot-safe-mode-windows-10/