I've been able to install via tty prompt (I'm using 64 bit) and have generated the attached backtrace file.
** Attachment added: "backtrace file" http://launchpadlibrarian.net/37650316/kded4-20100109.kcrash -- Kubuntu 10.4 Segmentation Fault on Logoff,Restart,Shutdown https://bugs.launchpad.net/bugs/504375 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs