package sun-java6-plugin 6.20dlj-0ubuntu1.9.10 failed to install/upgrade:

[0160]

$ apt-cache policy sun-java6-plugin
sun-java6-plugin:
  Installed: 6.20dlj-0ubuntu1.9.10
  Candidate: 6.20dlj-0ubuntu1.9.10
  Version table:
 *** 6.20dlj-0ubuntu1.9.10 0
        500 http://us.archive.ubuntu.com karmic-updates/multiverse Packages
        100 /var/lib/dpkg/status
     6-15-1 0
        500 http://us.archive.ubuntu.com karmic/multiverse Packages

SYSTEM INFORMATION
 Running Ubuntu Linux, the Ubuntu 9.10 (karmic) release.
 GNOME: 2.28.1 (Ubuntu 2009-11-03)
 Kernel version: 2.6.31-20-generic (#58-Ubuntu SMP Fri Mar 12 05:23:09 UTC

ProblemType: Package
Architecture: i386
Date: Thu Apr 29 08:33:48 2010
DistroRelease: Ubuntu 9.10
ErrorMessage:
 ErrorMessage: subprocess installed post-installation script returned error exit status 2
NonfreeKernelModules: nvidia
Package: sun-java6-plugin 6.20dlj-0ubuntu1.9.10
ProcVersionSignature: Ubuntu 2.6.31-20.58-generic
SourcePackage: sun-java6
Title: package sun-java6-plugin 6.20dlj-0ubuntu1.9.10 failed to install/upgrade:
Uname: Linux 2.6.31-20-generic i686