package cups 1.5.2-4 failed to install/upgrade: el subproceso instalado el script post-installation devolvió el código de salida de error 1

[Juan Antonio]

using apt-get update & apt-get dist-upgrade

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: 1.92-0ubuntu1
Architecture: i386
CupsErrorLog:

Date: Wed Feb 22 00:29:38 2012
ErrorMessage: el subproceso instalado el script post-installation devolvió el código de salida de error 1
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386 (20120201.1)
Lpstat: Error: command ['lpstat', '-v'] failed with exit code -11: p11-kit: duplicate configured module: gnome-keyring-module: /usr/lib/i386-linux-gnu/pkcs11/gnome-keyring-pkcs11.so
Lsusb:
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 001 Device 003: ID 13d3:5111 IMC Networks Integrated Webcam
MachineType: ASUSTeK Computer INC. 1201HA
Papersize: a4
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-12-generic-pae root=UUID=4a934606-7946-4de5-87cf-9a4b3f6aede6 ro quiet splash vt.handoff=7
SourcePackage: cups
Title: package cups 1.5.2-4 failed to install/upgrade: el subproceso instalado el script post-installation devolvió el código de salida de error 1
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/06/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0301
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: 1201HA
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: x.xx
dmi.chassis.asset.tag: 0x00000000
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTek Computer INC.
dmi.chassis.version: x.x
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0301:bd01/06/2010:svnASUSTeKComputerINC.:pn1201HA:pvrx.x:rvnASUSTeKComputerINC.:rn1201HA:rvrx.xx:cvnASUSTekComputerINC.:ct10:cvrx.x:
dmi.product.name: 1201HA
dmi.product.version: x.x
dmi.sys.vendor: ASUSTeK Computer INC.