Problem is solved. A program must have made duplicate folders, I deleted them, and now Firefox doesn't crash when I click "bookmarks" anymore :)
-- Firefox crashes as soon as "bookmarks" is clicked on https://bugs.launchpad.net/bugs/198280 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs