Please try to set MOZILLA_FIVE_HOME=/usr/lib/firefox to your environment. does it help?
Thanks, - Alexander ** Changed in: firefox (Ubuntu) Importance: Undecided => Medium Assignee: (unassigned) => Mozilla Bugs (mozilla-bugs) Status: New => Incomplete -- core dump with application compied by firefox-dev under gutsy https://bugs.launchpad.net/bugs/156187 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs