package libc6 2.15-0ubuntu10 failed to install/upgrade: subprocess new pre-installation script returned error exit status 1

[zhaozhiqiang]

I cannot use the Ubuntu software center and uodate manager.At begining,I installed some packages have umet respostries,then everything goes uncontroled

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: libc6 2.15-0ubuntu10
ProcVersionSignature: Ubuntu 3.2.0-38.61-generic 3.2.37
Uname: Linux 3.2.0-38-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.0.1-0ubuntu17.2
Architecture: amd64
Date: Mon May 6 18:52:14 2013
ErrorMessage: subprocess new pre-installation script returned error exit status 1
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
MarkForUpload: True
SourcePackage: eglibc
Title: package libc6 2.15-0ubuntu10 failed to install/upgrade: subprocess new pre-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)