package libc6 2.23-0ubuntu3 failed to install/upgrade: subprocess new pre-installation script returned error exit status 1

[payel guria]

i cannot upgrade the system.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: libc6 2.23-0ubuntu3
ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
Uname: Linux 4.4.0-31-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
Date: Mon Apr 24 06:52:30 2017
Dependencies:
 gcc-6-base 6.0.1-0ubuntu1
 libc6 2.23-0ubuntu3
 libgcc1 1:6.0.1-0ubuntu1
DuplicateSignature:
 package:libc6:2.23-0ubuntu3
 Preparing to unpack .../libc6_2.23-0ubuntu7_amd64.deb ...
 debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
 dpkg: error processing archive /var/cache/apt/archives/libc6_2.23-0ubuntu7_amd64.deb (--unpack):
  subprocess new pre-installation script returned error exit status 1
ErrorMessage: subprocess new pre-installation script returned error exit status 1
InstallationDate: Installed on 2017-03-24 (31 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.12~ubuntu16.04.1
SourcePackage: glibc
Title: package libc6 2.23-0ubuntu3 failed to install/upgrade: subprocess new pre-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

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