I've got same problem here with this message when launching from terminal :
Attempting to load the system libmoon Segmentation fault (core dumped) I've tried with a new firefox profile and got the problem only when I tried to use addons managment tools. Hope this will help. -- Firefox does not start with certain addons installed https://bugs.launchpad.net/bugs/518422 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