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

Theme resets automatically on browser restart

  • 1 پاسخ
  • 27 have this problem
  • 3 views
  • آخرین پاسخ توسّط cor-el

more options

When I change to Compact Dark theme, the theme resets (goes back to the previously set theme) after restarting the browser. This happens only to the Compact Dark theme.

When I change to Compact Dark theme, the theme resets (goes back to the previously set theme) after restarting the browser. This happens only to the Compact Dark theme.

Chosen solution

No problems here. This choice is stored in a pref AFAICT.

  • lightweightThemes.selectedThemeID = firefox-compact-dark@mozilla.org

You can check for problems with preferences.

Delete possible user.js and numbered prefs-##.js files and rename/remove the prefs.js file to reset all prefs to the default value including prefs set via user.js and prefs that are no longer supported in current Firefox releases.

Read this answer in context 👍 3

All Replies (1)

more options

Chosen Solution

No problems here. This choice is stored in a pref AFAICT.

  • lightweightThemes.selectedThemeID = firefox-compact-dark@mozilla.org

You can check for problems with preferences.

Delete possible user.js and numbered prefs-##.js files and rename/remove the prefs.js file to reset all prefs to the default value including prefs set via user.js and prefs that are no longer supported in current Firefox releases.