package flashplugin-installer 11.1.102.63ubuntu2 failed to install/upgrade: il sottoprocesso vecchio script di post-installation ha restituito lo stato di errore 1

[beppe]

installing ubuntu restricted extra i had an error with flashplugin installer:
dpkg: error elaborating flashplugin installer (--configure)

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
NonfreeKernelModules: nvidia
ApportVersion: 1.95-0ubuntu1
AptOrdering: flashplugin-installer: Configure
Architecture: amd64
Date: Mon Apr 2 12:16:17 2012
ErrorMessage: il sottoprocesso vecchio script di post-installation ha restituito lo stato di errore 1
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301)
SourcePackage: flashplugin-nonfree
Title: package flashplugin-installer 11.1.102.63ubuntu2 failed to install/upgrade: il sottoprocesso vecchio script di post-installation ha restituito lo stato di errore 1
UpgradeStatus: No upgrade log present (probably fresh install)