Kubuntu 12.04 A1 install crashed

[Fox7777]

Kubuntu 12.04 A1 64-bit

Dec 3 07:06:53 ubuntu kernel: imklog 5.8.6, log source = /proc/kmsg started.
Dec 3 07:06:53 ubuntu rsyslogd: [origin software="rsyslogd" swVersion="5.8.6" x-pid="1504" x-info="http://www.rsyslog.com"] start
Dec 3 07:06:53 ubuntu rsyslogd: rsyslogd's groupid changed to 103
Dec 3 07:06:53 ubuntu rsyslogd: rsyslogd's userid changed to 101
Dec 3 07:06:53 ubuntu rsyslogd-2039: Could not open output pipe '/dev/xconsole' [try http://www.rsyslog.com/e/2039 ]
Dec 3 07:06:53 ubuntu kernel: [ 0.000000] Initializing cgroup subsys cpuset
Dec 3 07:06:53 ubuntu kernel: [ 0.000000] Initializing cgroup subsys cpu
Dec 3 07:06:53 ubuntu kernel: [ 0.000000] Linux version 3.2.0-2-generic (buildd@yellow) (gcc version 4.6.2 (Ubuntu/Linaro 4.6.2-5ubuntu1) ) #5-Ubuntu SMP Mon Nov 28 18:10:23 UTC 2011 (Ubuntu 3.2.0-2.5-generic 3.2.0-rc3)
Dec 3 07:06:53 ubuntu kernel: [ 0.000000] Command line: file=/cdrom/preseed/kubuntu.seed FRONTEND_BACKGROUND=original boot=casper maybe-ubiquity initrd=/casper/initrd.lz quiet splash --

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: ubiquity 2.9.5
ProcVersionSignature: Ubuntu 3.2.0-2.5-generic 3.2.0-rc3
Uname: Linux 3.2.0-2-generic x86_64
ApportVersion: 1.90-0ubuntu1
Architecture: amd64
CasperVersion: 1.292
Date: Sat Dec 3 07:44:37 2011
LiveMediaBuild: Kubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20111129.1)
ProcEnviron:
 LANGUAGE=
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

[Ubuntu Foundations Team Bug Bot (crichton)]

Exception during installation:
Dec 3 15:28:55 ubuntu ubiquity: Error in function:
Dec 3 15:28:55 ubuntu plugininstall.py: SystemError: E:Sub-process /usr/bin/dpkg returned an error code (1)
Dec 3 15:28:55 ubuntu plugininstall.py: