Browser.bookmarks.restore default bookmarks
From MozillaZine Knowledge Base
When Mozilla Firefox is started in Safe Mode, a dialog appears with options to reset various user data for the browser â€” including bookmarks. When that option is picked, this preference is toggled to true, and when the browser starts the default bookmarks are copied over the userâ€™s current bookmarks file.
Possible values and their effects
Do not reset bookmarks to their defaults. (Default)
When starting in Safe Mode, the checkbox labeled â€œReset bookmarks to Firefox defaultsâ€ sets this preference to true.
First checked in
Has an effect in