If this is still an issue (which it sounds like it may not be), then we'd need the partman log from the installer (/var/log/partman immediately after it crashes) to debug this. It'd probably be significantly easier to extract that from a non-Wubi install attempt.
** Project changed: ubiquity => parted (Ubuntu) ** Changed in: parted (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/872614 Title: Using Wubi I get No root system defined, cannot install ubuntu To manage notifications about this bug go to: https://bugs.launchpad.net/wubi/+bug/872614/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs