How to completly remove add-on preferences?
"Toolbar Buttons" extension buttons are shown incorrectly (blank buttons). Reinstalling it restores also the old settings with missing icons. How can I completely reset the extension data and preferences without resetting other firefox settings? (i tried manually deleting the extension folder too - same result).
[firefox v33.1.1]
Chosen solution
If you open the about:config page in the url bar and search for the name of the old addons, you can remove the entries from here.
Please also try the Firefox Menu and clicking Customize. From here you can drag away the icons and it may save without the addons
If this does not work out, there is also a possibility of moving over the profile to a new one. Back up and restore information in Firefox profiles
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Chosen Solution
If you open the about:config page in the url bar and search for the name of the old addons, you can remove the entries from here.
Please also try the Firefox Menu and clicking Customize. From here you can drag away the icons and it may save without the addons
If this does not work out, there is also a possibility of moving over the profile to a new one. Back up and restore information in Firefox profiles
thanks very much. i deleted the keys in config, and reinstalled the plugin. solved!