package cups 1.5.2-6 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 1

cups failed to install while upgrading from alfa to beta

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: cups 1.5.2-6
ProcVersionSignature: Ubuntu 3.2.0-18.28-generic-pae 3.2.9
Uname: Linux 3.2.0-18-generic-pae i686
ApportVersion: 1.94.1-0ubuntu1
Architecture: i386
CupsErrorLog:

CurrentDmesg:
 [ 69.745580] pci 0000:00:02.0: PCI INT A -> Link[LNKB] -> GSI 11 (level, low) -> IRQ 11
 [ 69.752515] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
 [ 69.752531] [drm] No driver support for vblank timestamp query.
 [ 69.752550] [drm] Initialized vboxvideo 1.0.0 20090303 for 0000:00:02.0 on minor 0
 [ 78.325030] init: plymouth-stop pre-start process (1205) terminated with status 1
Date: Thu Mar 8 13:57:48 2012
ErrorMessage: ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386 (20120129)
Lpstat: Error: command ['lpstat', '-v'] failed with exit code 1: lpstat: No destinations added.
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: letter
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-18-generic-pae root=UUID=948614a9-22a5-4f0a-a9f3-e2e1a3b05818 ro quiet splash vt.handoff=7
SourcePackage: cups
Title: package cups 1.5.2-6 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to precise on 2012-03-08 (0 days ago)
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