[Bug 1261601] Traceback

[Ubuntu Foundations Team Bug Bot]

Exception during installation:
Dec 17 02:02:08 xubuntu plugininstall.py: SystemError: E:Sub-process /usr/bin/dpkg returned an error code (1)
Dec 17 02:02:08 xubuntu plugininstall.py:

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https://bugs.launchpad.net/bugs/1261601

Title:
  Ubiquity on Lubuntu 12.04 AMDx64 crashes after all user input is
  accepted

Status in “ubiquity” package in Ubuntu:
  New

Bug description:
  I've tried this with both the live system's "test before installing" and just "Install Xubuntu" options.  Both fail in the same way.
  After all user input has been accepted, the installer does its thing for a short while, only to randomly fail.  I think I caught a bit of the output that made me think it was a dpkg error or something, but I'm not entirely sure.  All I am certain of is that I can't seem to install the system to a point where it will boot.
  I made a USB flash drive into the live system using Unetbootin from Debian Stable.  I used the distro options in unetbootin to download this ISO.
  Using a DVD or other USB device is not an option, at the moment, since my desktop lacks a DVD drive, and this is my only flash drive.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: ubiquity 2.10.26
  ProcVersionSignature: Ubuntu 3.2.0-52.78-generic 3.2.48
  Uname: Linux 3.2.0-52-generic x86_64
  ApportVersion: 2.0.1-0ubuntu17.4
  Architecture: amd64
  CasperVersion: 1.315.1
  Date: Mon Dec 16 20:21:10 2013
  InstallCmdLine: initrd=/casper/initrd.lz file=/cdrom/preseed/xubuntu.seed boot=casper  quiet splash -- BOOT_IMAGE=/casper/vmlinuz
  LiveMediaBuild: Xubuntu 12.04.3 LTS "Precise Pangolin" - Release amd64 (20130820)
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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