package wget 1.11.4-1ubuntu1.1 failed to install/upgrade: Unterprozess post-installation script gab den Fehlerwert 1 zurück

[Ubuntu]

Binary package hint: wget

Ubuntu Version 9.04
lsb_release -rd gives Ubuntu 8.10 this is the version originally installed and later upgraded online to 9.04.
Distribution upgrade worked fine, the error reported occured later during automatic upgrade.
apt-cache policy wget gives
wget:
  Installiert: 1.11.4-1ubuntu1.1
  Kandidat: 1.11.4-1ubuntu1.1
  Versions-Tabelle:
 *** 1.11.4-1ubuntu1.1 0
        500 http://de.archive.ubuntu.com intrepid-updates/main Packages
        500 http://security.ubuntu.com intrepid-security/main Packages
        100 /var/lib/dpkg/status
     1.11.4-1ubuntu1 0
        500 http://de.archive.ubuntu.com intrepid/main Packages

ProblemType: Package
Architecture: amd64
DistroRelease: Ubuntu 8.10
ErrorMessage: Unterprozess post-installation script gab den Fehlerwert 1 zurück
Package: wget 1.11.4-1ubuntu1.1
SourcePackage: wget
Title: package wget 1.11.4-1ubuntu1.1 failed to install/upgrade: Unterprozess post-installation script gab den Fehlerwert 1 zurück
Uname: Linux 2.6.27-14-generic x86_64

[GrasshalmDG (grasshalm-der-gruene)]

same problem on an unupgraded 8.10
error message during auto-update process

ProblemType: Package
Architecture: i686
Uname: Linux 2.6.27-14-generic
NonfreeKernelModules: fglrx
DistroRelease: Ubuntu 8.10
InstallInfo: No dir file specified; try --help for more information.
 dpkg: Fehler beim Bearbeiten von wget (--configure):
ErrorMessage: Unterprozess post-installation script gab den Fehlerwert 1 zurück
Title: package wget 1.11.4-1ubuntu1.1 failed to install/upgrade: Unterprozess post-installation script gab den Fehlerwert 1 zurück

Package: wget 1.11.4-1ubuntu1.1
SourcePackage: wget
apt-cache policy:
  Installiert: 1.11.4-1ubuntu1.1
  Kandidat: 1.11.4-1ubuntu1.1
  Versions-Tabelle:
 *** 1.11.4-1ubuntu1.1 0
        500 http://de.archive.ubuntu.com intrepid-updates/main Packages
        500 http://security.ubuntu.com intrepid-security/main Packages
        100 /var/lib/dpkg/status
     1.11.4-1ubuntu1 0
        500 http://de.archive.ubuntu.com intrepid/main Packages