I just upgraded from 57.0.3 today to 58 from the official 14.04 repos and got this bug straight away.
Downgrading back to 57.0.3 fixed it for the time being. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1732253 Title: Firefox 58 doesn't start the second time: entity is not defined To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1732253/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
