Please, could you try to get debug symbols for freecraft. This backtrace is not telling much so it would be very cool to have little more information about this crash.
https://wiki.ubuntu.com/DebuggingProgramCrash ** Changed in: freecraft (Ubuntu) Importance: Undecided => Medium -- crashes on launch https://launchpad.net/bugs/74206 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs