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Why does FF forget 'always do this' settings from session to session?

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  • 1 has this problem
  • Last reply by cor-el

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whenever FF opens/saves a particular file type, i set the 'Do this from now on' button for that file type or when i download a link that passes to a handler application, i click the 'always do this' button on the little toast dropdown. i do this because, shocker, i ALWAYS WANT FIREFOX TO DO THAT. but when i close the session, either manually or via reboot, when i launch back into FF, it asks me all over again for the same things.

now this crap has been a problem since time immemorial (since FF 26, IIRC) and it's always broken. when the hell is this going to be fixed, now that we have ONE MORE dialog that stupidly asks us to set a pref it has no intention of keeping?

somebody is gong to say 'make a new profile' or 'refresh FF', but none of that has ever worked and it doesn't work now because i've literally just setup six brand new machines and ALL OF THEM have this behaviour, ranging from Firefox, Firefox Nightly, Firefox Focus, right to Firefox Developer Edition. all of them fresh, right out of the box.

if anyone knows how to make this bloody behaviour stick, please let me know, otherwise the dev team needs to just remove the ask... or fix it and make the blasted thing do its job. >:(

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Firefox stores this data in handlers.json in the Firefox profile folder.

Try to rename/remove handlers.json in the Firefox profile folder with Firefox closed.

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