This looks like a bad CD (judging from the SquashFS errors at least). Try installing with another CD (if you burned it yourself, keep in mind that you should burn it at the slowest speed possible ) or with another username.
-- installer crashed on creating user 6.10 https://launchpad.net/bugs/72519 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
