package libc6 2.11.1-0ubuntu7.10 failed to install/upgrade: ErrorMessage: subprocess new pre-installation script returned error exit status 1

[robert Berks]

Upgrading 12.04 as instructed by update manager - but many packages not being installed.

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: libc6 2.11.1-0ubuntu7.10
ProcVersionSignature: Ubuntu 3.2.0-29.46-generic 3.2.24
Uname: Linux 3.2.0-29-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 1.13.3-0ubuntu2.1
Architecture: i386
Date: Wed Oct 10 21:09:18 2012
ErrorMessage: ErrorMessage: subprocess new pre-installation script returned error exit status 1
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
SourcePackage: eglibc
Title: package libc6 2.11.1-0ubuntu7.10 failed to install/upgrade: ErrorMessage: subprocess new pre-installation script returned error exit status 1
UpgradeStatus: Upgraded to precise on 2012-08-25 (45 days ago)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.