*** This bug is a duplicate of bug 81964 *** yes this is colorzilla which is not compatible. Start in -safe-mode and remove colorzilla. We are working with author to resolve this problem. I mark this bug as duplicate of the tracker bug of that issue so you receive mails in case that there is a solution.
** This bug has been marked a duplicate of bug 81964 MASTER Package Colorzilla; was: Colorzilla crashes Firefox -- firefox crashes (xpcom) https://launchpad.net/bugs/91073 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs