Found it as know issue. -Missing Nvidia driver.
** Changed in: ubiquity (Ubuntu)
Status: New => Invalid-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/728296 Title: Natty Alpha 3 Installer crashed during "installing system" -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
