Assistance Required for Mozilla Firefox Profile Creation Error Despite Reinstall and Profile Reset Attempts
Dear Mozilla Firefox Support Team, I hope this email finds you well. I am writing to seek assistance regarding an issue we have been facing with Firefox. After some days of usage, Firefox prompts us to create a new profile, and the browser does not function as expected unless we do so. Here are the details: • We have installed the latest version of Mozilla Firefox several times (2-3 times). • We have also created new profiles, but the issue persists. • Despite these efforts, the error to create a new profile continues to reoccur. Could you kindly assist us in resolving this issue? Any guidance or troubleshooting steps would be greatly appreciated.
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Hi, can you provide the exact error message? I can't recall the error to create a new profile in Firefox.
You get this message if you try to downgrade a profile, so it is possible that you have more than one Firefox version installed and one is an older version that sometimes gets launched causing this error to show.
What installation path to the Firefox executable do you see in the desktop shortcut? What version is started if you open an external file in the default browser? See also the Application Binary directory in "Help -> More Troubleshooting Information" (about:support).
While installation we have no issue after installing the Mozilla Firefox we are receiving the error after 10-15 days and whenever we click on the new profile then all the old bookmarks have vanished, and the error keeps coming on every 10-15 days
This prompt shows up when you start an older Firefox version than before. Check in the system if you have two or more Firefox installations.
This is suspicious. In this case, instead of creating a new profile, you can override downgrade protection by launching Firefox through the command line/shortcut with the --allow-downgrade parameter, like firefox.exe --allow-downgrade
You can check the compatibility.ini file in the profile to see what Firefox version last used this profile.