This is not an installer problem, and may well be hardware-related. Have you checked your memory and HD? Looking in /var/log/syslog should give us a clue.
This page contains detailed information on uploading log files: https://wiki.ubuntu.com/DebuggingUbiquity/AttachingLogs ** Changed in: ubiquity (Ubuntu) Sourcepackagename: ubiquity => None Status: Unconfirmed => Needs Info -- Ubuntu Dapper 6.06 & Dell Latitude D620: freezes accesing disk https://launchpad.net/bugs/70448 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs