Yes, when I disable fire.fm the problem has been solved. I think it's a fire.fm bug not firefox.
-- "Confirm Security Exception" not working https://bugs.launchpad.net/bugs/214725 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