package flashplugin-installer 10.2.159.1ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Marcel Huber]

Binary package hint: flashplugin-nonfree

daily upgrade...
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Description: Ubuntu Natty (development branch)
Release: 11.04
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flashplugin-installer:
  Installed: 10.2.159.1ubuntu1
  Candidate: 10.2.159.1ubuntu1
  Version table:
 *** 10.2.159.1ubuntu1 0
        500 http://archive.ubuntu.com/ubuntu/ natty/multiverse amd64 Packages
        100 /var/lib/dpkg/status

ProblemType: Package
DistroRelease: Ubuntu 11.04
Package: flashplugin-installer 10.2.159.1ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Sat Apr 16 21:34:52 2011
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
SourcePackage: flashplugin-nonfree
Title: package flashplugin-installer 10.2.159.1ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to natty on 2011-03-21 (26 days ago)