package flashplugin-installer 11.1.102.63ubuntu2 failed to install/upgrade

[dierre]

When doing
    apt-get install flashplugin-installer
the package does not install.

root@maggie:~# apt-get install --reinstall flashplugin-installer
Reading package lists... Done
Building dependency tree
Reading state information... Done
Suggested packages:
  ttf-bitstream-vera ttf-dejavu ttf-xfree86-nonfree xfs
The following packages will be upgraded:
  flashplugin-installer
1 upgraded, 0 newly installed, 0 to remove and 288 not upgraded.
1 not fully installed or removed.
Need to get 0 B/8750 B of archives.
After this operation, 0 B of additional disk space will be used.
Setting up flashplugin-installer (11.1.102.63ubuntu2) ...
Downloading...
--2012-04-01 23:58:22-- http://archive.canonical.com/pool/partner/a/adobe-flashplugin/adobe-flashplugin_11.1.102.63.orig.tar.gz
Resolving archive.canonical.com (archive.canonical.com)... 91.189.88.33, 91.189.92.191
Connecting to archive.canonical.com (archive.canonical.com)|91.189.88.33|:80... connected.
HTTP request sent, awaiting response... 404 Not Found
2012-04-01 23:58:22 ERROR 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:
 flashplugin-installer
E: Sub-process /usr/bin/dpkg returned an error code (1)

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
Architecture: amd64
Date: Sun Apr 1 23:53:06 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 (20120328)
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)

[Launchpad Janitor (janitor)]

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

[dierre (fdr)]

I suppose this bug should be closed since it's being tracked in its parent bug 870643, yet the interface does not allow me to mark it as closed.