unable to install UBUNTU error

[Jacques BOUCHARD]

Install found error. Aborted.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: ubiquity 2.10.26
ProcVersionSignature: Ubuntu 3.8.0-29.42~precise1-generic 3.8.13.5
Uname: Linux 3.8.0-29-generic i686
ApportVersion: 2.0.1-0ubuntu17.4
Architecture: i386
CasperVersion: 1.315.1
Date: Mon Oct 21 15:28:15 2013
InstallCmdLine: bootkbd=fr-latin1 console-setup/layoutcode=fr console-setup/variantcode=nodeadkeys locale=fr_FR persistent noprompt cdrom-detect/try-usb=true file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz splash -- maybe-ubiquity
LiveMediaBuild: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release i386 (20130820.1)
MarkForUpload: True
ProcEnviron:
 TERM=linux
 PATH=(custom, no user)
 LANG=fr_FR.UTF-8
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

[Ubuntu Foundations Team Bug Bot (crichton)]

Exception during installation:
Oct 21 13:27:38 ubuntu plugininstall.py: SystemError: E:Sub-process /usr/bin/dpkg returned an error code (2)
Oct 21 13:27:38 ubuntu plugininstall.py:

[Marcus Tomlinson (marcustomlinson)]

This release of Ubuntu is no longer receiving maintenance updates. If this is still an issue on a maintained version of Ubuntu please let us know.

[Launchpad Janitor (janitor)]

[Expired for ubiquity (Ubuntu) because there has been no activity for 60 days.]