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

[Angelo]

installArchives() failed: Setting up flashplugin-installer (11.1.102.63ubuntu2) ...
Downloading...
--2012-03-31 10:50:49-- http://archive.canonical.com/pool/partner/a/adobe-flashplugin/adobe-flashplugin_11.1.102.63.orig.tar.gz
Risoluzione di archive.canonical.com (archive.canonical.com)... 91.189.88.33, 91.189.92.191
Connessione a archive.canonical.com (archive.canonical.com)|91.189.88.33|:80... connesso.
Richiesta HTTP inviata, in attesa di risposta... 404 Not Found
2012-03-31 10:50:49 ERRORE 404: Not Found.

download failed
The Flash plugin is NOT installed.
dpkg: error processing flashplugin-installer (--configure):
 subprocess installed post-installation script returned error exit status 1
No apport report written because MaxReports is reached already
Errors were encountered while processing:
 flashplugin-installer
Error in function:
Setting up flashplugin-installer (11.1.102.63ubuntu2) ...
Downloading...
--2012-03-31 10:50:52-- http://archive.canonical.com/pool/partner/a/adobe-flashplugin/adobe-flashplugin_11.1.102.63.orig.tar.gz
Risoluzione di archive.canonical.com (archive.canonical.com)... 91.189.88.33, 91.189.92.191
Connessione a archive.canonical.com (archive.canonical.com)|91.189.88.33|:80... connesso.
Richiesta HTTP inviata, in attesa di risposta... 404 Not Found
2012-03-31 10:50:52 ERRORE 404: Not Found.

download failed
The Flash plugin is NOT installed.
dpkg: error processing flashplugin-installer (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:

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 i686
ApportVersion: 2.0-0ubuntu2
Architecture: i386
Date: Sat Mar 31 10:37:00 2012
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
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: Upgraded to precise on 2012-03-25 (5 days ago)