package update-manager 1:0.93.22 failed to install/upgrade: ErrorMessage: SystemError in cache.commit(): E:Sub-process /usr/bin/dpkg returned an error code (1)

[miked]

Binary package hint: update-manager

root@miked-desktop:~# sudo update-manager -d
extracting 'intrepid.tar.gz'
authenticate 'intrepid.tar.gz' against 'intrepid.tar.gz.gpg'

root@miked-desktop:~# lsb_release -rd
Description: Ubuntu intrepid (development branch)
Release: 8.10
root@miked-desktop:~#

ProblemType: Package
Architecture: i386
DistroRelease: Ubuntu 8.10
ErrorMessage: ErrorMessage: SystemError in cache.commit(): E:Sub-process /usr/bin/dpkg returned an error code (1)

Package: update-manager 1:0.93.22
PackageArchitecture: all
SourcePackage: update-manager
Title: package update-manager 1:0.93.22 failed to install/upgrade: ErrorMessage: SystemError in cache.commit(): E:Sub-process /usr/bin/dpkg returned an error code (1)
Uname: Linux 2.6.24-21-generic i686

[miked (miked11)]

choose experimental merge and got error messages, choose package maintainer's version of grub/menu.lst and installed o.k.