package libc6 2.15~pre6-0ubuntu10 failed to install/upgrade: subprocess new pre-installation script returned error exit status 1

[NamelessOne]

package libc6 2.15~pre6-0ubuntu10 failed to install/upgrade: subprocess new pre-installation script returned error exit status 1

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: libc6 2.15~pre6-0ubuntu10
ProcVersionSignature: Ubuntu 3.2.0-12.21-generic 3.2.2
Uname: Linux 3.2.0-12-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.91-0ubuntu1
Architecture: amd64
Date: Wed Feb 22 20:19:15 2012
DpkgTerminalLog:
 Preparing to replace libc6 2.15~pre6-0ubuntu10 (using .../libc6_2.15-0ubuntu2_amd64.deb) ...
 debconf: DbDriver "config": could not open /var/cache/debconf/config.dat
 dpkg: error processing /var/cache/apt/archives/libc6_2.15-0ubuntu2_amd64.deb (--unpack):
  subprocess new pre-installation script returned error exit status 1
ErrorMessage: subprocess new pre-installation script returned error exit status 1
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427)
SourcePackage: eglibc
Title: package libc6 2.15~pre6-0ubuntu10 failed to install/upgrade: subprocess new pre-installation script returned error exit status 1
UpgradeStatus: Upgraded to precise on 2012-02-11 (11 days ago)