The instaler reported an error. (Upgrade from Ubu 10.10 to 12.04LTS

[Coya DeBrojara]

The problem occurred during upgrade from Ubuntu 10.10 to version 12.04LTS. The installer reported an error. The problem there is the final phase of the installation, during installation of the system, after downloading all the files. The installation was not completed correctly.

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: Wed Dec 7 22:57:09 2011
LiveMediaBuild: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20111129.1)
ProcEnviron:
 LANGUAGE=pl_PL.UTF-8
 PATH=(custom, no user)
 LANG=pl_PL.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 7 21:56:14 ubuntu plugininstall.py: SystemError: E:Sub-process /usr/bin/dpkg returned an error code (1)
Dec 7 21:56:14 ubuntu plugininstall.py: