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FF Windows "crashing" by telling me I've opened an older version

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  • Paskiausią atsakymą parašė cor-el

scottrosenblatt
scottrosenblatt
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Recently I have been getting this error every time I quit FF, reboot, and re-open FF. It is the "latest" version on the stable branch.

I have attempted (3x) to fully uninstall FF, delete all user files, all Mozilla folders (hidden, too), etc. and downloaded a fresh install file from FF.

I cannot figure out why FF would think I have an older version installed, letalone crash my profile every time I exit.

Let me know what I have screwed up on my end. Thanks

Recently I have been getting this error every time I quit FF, reboot, and re-open FF. It is the "latest" version on the stable branch. I have attempted (3x) to fully uninstall FF, delete all user files, all Mozilla folders (hidden, too), etc. and downloaded a fresh install file from FF. I cannot figure out why FF would think I have an older version installed, letalone crash my profile every time I exit. Let me know what I have screwed up on my end. Thanks
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Chosen solution

Is this the best workaround method available? https://www.trishtech.com/2020/01/how-to-avoid-older-version-warning-in-firefox-easily/

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All Replies (2)

scottrosenblatt
scottrosenblatt Klausimą uždavęs asmuo
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Chosen Solution

Is this the best workaround method available? https://www.trishtech.com/2020/01/how-to-avoid-older-version-warning-in-firefox-easily/

cor-el
cor-el
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  • Top 10 Contributor
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I would advise against making compatibility.ini read-only if that is what you did.

You can create a new profile as a quick test to see if your current profile is causing the problem.

See "Creating a profile":

If the new profile works then you can transfer files from a previously used profile to the new profile, but be cautious not to copy corrupted files to avoid carrying over problems.

You can copy certain files with Firefox closed to the current profile folder to transfer or recover personal data. Note that best is to avoid copying a full profile folder.

  • bookmarks and history: places.sqlite
  • favicons: favicons.sqlite
  • bookmark backups: compressed .jsonlz4 JSON backups in the bookmarkbackups folder
  • cookies.sqlite for the Cookies
  • formhistory.sqlite for saved autocomplete Form Data
  • logins.json (encrypted logins;32+) and key4.db (decryption key;58+) for Passwords saved in the Password Manager
    key3.db support ended in 73+; to use key3.db in 58-72, make sure to remove key4.db
  • cert9.db (58+) for (intermediate) certificates stored in the Certificate Manager
  • persdict.dat for words added to the spell checker dictionary
  • permissions.sqlite for Permissions and possibly content-prefs.sqlite for other website specific data (Site Preferences)
  • sessionstore.jsonlz4 for open tabs and pinned tabs (see also the sessionstore-backups folder)

You can use the button on the "Help -> More Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the about:profiles page (Root directory).