What happens, does just the installer window crash or all of X? In either case logs would be useful, /var/log/syslog at least.
This page contains detailed information on uploading log files: https://wiki.ubuntu.com/DebuggingUbiquity/AttachingLogs (you will have to repeat the install attempt with the same Live CD to get them) ** Changed in: ubiquity (Ubuntu) Status: Unconfirmed => Needs Info -- Herd1 LiveCD boots, but installer hangs after step 4 https://launchpad.net/bugs/78298 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs