Firefox - How to restore the default values for the "about:config" entries?

March 2017


Firefox - How to restore the default values for the "about:config" entries?


To restore all the modifications to the about:config entries, follow the below procedure:
  • Close Firefox
  • Open the profile folder - refer to this FAQ
  • Delete the following files:
    • user.js
    • prefs.js
  • Restart Firefox ( new versions of these files will be created automatically).

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Published by jak58.
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