package flashplugin-installer (not installed) failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[abnqeut]

Got this error just after boot before doing anything else.

ProblemType: Package
DistroRelease: Ubuntu 11.10
Package: flashplugin-installer (not installed)
ProcVersionSignature: Ubuntu 3.0.0-12.19-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu2
Architecture: amd64
Date: Fri Oct 7 23:51:35 2011
DuplicateSignature:
 Setting up flashplugin-installer (10.3.183.10ubuntu5) ...
 nspluginwrapper: /usr/lib/flashplugin-installer/libflashplayer.so is not a valid NPAPI plugin
 dpkg: error processing flashplugin-installer (--configure):
  subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
SourcePackage: flashplugin-nonfree
Title: package flashplugin-installer (not installed) failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to oneiric on 2011-09-27 (10 days ago)

[Apport retracing service (apport)]

This crash has the same stack trace characteristics as bug #861584. However, the latter was already fixed in an earlier package version than the one in this report. This might be a regression or because the problem is in a dependent package.

[Robert Roth (evfool)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug #861584, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Feel free to continue to report any other bugs you may find.