package cups 1.5.2-4 failed to install/upgrade: Sub-process /usr/bin/dpkg returned an error code (1)

[Adnane Belmadiaf]

dpkg returned an error code while upgrading.

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: cups 1.5.2-4
ProcVersionSignature: Ubuntu 3.2.0-12.21-generic-pae 3.2.2
Uname: Linux 3.2.0-12-generic-pae i686
ApportVersion: 1.91-0ubuntu1
Architecture: i386
CupsErrorLog:

Date: Sat Feb 18 22:54:45 2012
ErrorMessage: le sous-processus script post-installation installé a retourné une erreur de sortie d'état 1
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386 (20120201.1)
Lpstat: Error: command ['lpstat', '-v'] failed with exit code 1: lpstat: Connection refused
Lsusb:
 Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 001 Device 002: ID 80ee:0021 VirtualBox USB Tablet
MachineType: innotek GmbH VirtualBox
Papersize: a4
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-12-generic-pae root=UUID=c84ffa5b-d87d-4011-a223-2ad8582c7070 ro quiet splash vt.handoff=7
SourcePackage: cups
Title: package cups 1.5.2-4 failed to install/upgrade: le sous-processus script post-installation installé a retourné une erreur de sortie d'état 1
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/01/2006
dmi.bios.vendor: innotek GmbH
dmi.bios.version: VirtualBox
dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:
dmi.product.name: VirtualBox
dmi.product.version: 1.2
dmi.sys.vendor: innotek GmbH