package flashplugin-installer 11.1.102.63ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[dombai]

The installation process of the package flasplugin-installer 11.1.102.63ubuntu2 send a message of error (exit status 1) and cannot be installed. BTW it seems installed in software center and the plugin (after some trying) seem to work now
I have Ubuntu Desktop 12.04 beta 2 64bit installed on a laptop (satellite Pro S500)

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: flashplugin-installer 11.1.102.63ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-20.33-generic 3.2.12
Uname: Linux 3.2.0-20-generic x86_64
ApportVersion: 1.95-0ubuntu1
Architecture: amd64
Date: Sat Mar 31 11:28:36 2012
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120328)
SourcePackage: flashplugin-nonfree
Title: package flashplugin-installer 11.1.102.63ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)