I want to completly remove an addon, so if i reinstall it all previous settings will be defaulted.
recently one of my addons (flash video downloader) has been acting up. it doesn't remember the check boxes for file associaion and such. this started to happen at the 7/11 update. at first i thought the addon itself was the problem and patiantly waited for the devs to see and fix it. after awhile, when it didn't get fixed, i installeed it on a different computer where i never installed it before and it worked like a charm. i tried removing the addon and than reinstalling it but it didn't work. i know that the profile folder keeps various data on addons but i don't know where can i find all the relevant data and how to clear it.
please help
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I don't use that extension, but it's very common for settings to be stored in the prefs.js and be listed in the about:config preferences editor. Have you tried clearing those? Typically they will be grouped together and you can right-click and press R to reset on each one to clear it.
Otherwise... there could be a file someone in the profile folder or on disk. You'd have to research this particular extension.
i already tried that. it was stored under artursomething. i deleted the relevant folder and removed all mentions of it in both pref.js and about:config but still the problem presisted. i even made sure beforehand that the object was gone even after i close firefox since pref.js gets rewritten.
Newer extensions may use storage locations here, but it's not obvious the safest way to clean them:
- [profile folder]\browser-extension-data
- [profile folder]\storage\default (start with moz-extension)
You can see the internal ID of an extension on the Troubleshooting Information page (Help menu, or about:support), but the moz-extension folder names are... puzzling.
i couldn't recognize there anything that isn't an irrelevant extension... again, the name of the extension is flash video downloader, i got it at https://addons.mozilla.org/en-US/firefox/addon/flash-video-downloader/ and i when i check the boxes it appears to be checked but when i check later they return to be unchecked.