I think this can be a of this bug. I found that changing the theme from human to glossy solved the problem.
https://bugs.launchpad.net/ubuntu/+source/libcairo/+bug/133124 -- Firefox crash at startup in gutsy https://bugs.launchpad.net/bugs/173052 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
