Thanks for the report Tobias. Is this reproducible everytime you launch firefox?
Could you please run the following command to attach further information to the bug report? apport-collect 1931388 ** Changed in: firefox (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1931388 Title: Firefox disaplayerror after Update on last version 89 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-mate/+bug/1931388/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs