I am going to reject this as a bug for now as forcastfox is not supported and that seems to be the problem. If you feel that it is something else then feel free to reopen it.
** Changed in: firefox (Ubuntu) Status: Needs Info => Rejected -- firefox using over 90% of CPU https://launchpad.net/bugs/78786 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs