package virtualbox-ose 3.1.6-dfsg-2ubuntu2 failed to install/upgrade: subprocess installed pre-removal script returned error exit status 1

[julianibus]

Binary package hint: virtualbox-ose

Can't install or remove virtualbox anymore.
Cannot deactivate vboxdrv module via modprobe.

ProblemType: Package
DistroRelease: Ubuntu 10.04
Package: virtualbox-ose 3.1.6-dfsg-2ubuntu2
ProcVersionSignature: Ubuntu 2.6.32-25.45-generic 2.6.32.21+drm33.7
Uname: Linux 2.6.32-25-generic i686
NonfreeKernelModules: nvidia
AptOrdering:
 virtualbox-ose-qt: Remove
 virtualbox-ose: Remove
Architecture: i386
Date: Sun Nov 21 20:10:52 2010
ErrorMessage: subprocess installed pre-removal script returned error exit status 1
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
SourcePackage: virtualbox-ose
Title: package virtualbox-ose 3.1.6-dfsg-2ubuntu2 failed to install/upgrade: subprocess installed pre-removal script returned error exit status 1