This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

why is "about.preferences.incontent" not listed in about:config?

  • 1 reply
  • 1 has this problem
  • 1 view
  • Last reply by ideato

more options

the solution to to rid the options tab from loading says to modify about:config > browser.preferences.incontent to a negative, bout it's not listed

the solution to to rid the options tab from loading says to modify about:config > browser.preferences.incontent to a negative, bout it's not listed

All Replies (1)

more options

Hello klokm, the browser.preferences.incontent not exist any more from firefox 42 and above :(

Bug 1140495 - Remove support for windowed preferences

try the Classic Theme Restorer add-on

thank you