package icedtea-netx:amd64 1.5.1-1ubuntu1 failed to install/upgrade: el subproceso instalado el script post-installation devolvió el código de salida de error 2

[Santiago Moreira]

Errors Found
 icedtea-netx:amd64
E: Sub-process /usr/bin/dpkg returned an error code (1)

My notebook is a HP touchsmart 15-n210dx

ProblemType: Package
DistroRelease: Ubuntu 14.10
Package: icedtea-netx:amd64 1.5.1-1ubuntu1
ProcVersionSignature: Ubuntu 3.16.0-14.20-generic 3.16.2
Uname: Linux 3.16.0-14-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.14.7-0ubuntu2
Architecture: amd64
Date: Thu Sep 18 10:07:31 2014
Dependencies: icedtea-netx-common 1.5.1-1ubuntu1
DuplicateSignature: package:icedtea-netx:amd64:1.5.1-1ubuntu1:el subproceso instalado el script post-installation devolvió el código de salida de error 2
ErrorMessage: el subproceso instalado el script post-installation devolvió el código de salida de error 2
InstallationDate: Installed on 2014-09-01 (17 days ago)
InstallationMedia: Ubuntu-GNOME 14.10 "Utopic Unicorn" - Alpha amd64 (20140826)
SourcePackage: icedtea-web
Title: package icedtea-netx:amd64 1.5.1-1ubuntu1 failed to install/upgrade: el subproceso instalado el script post-installation devolvió el código de salida de error 2
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Jose Luis Toledo Gonzalez (joeluiz1411)]

how to fix this ?