package casper (not installed) failed to install/upgrade: trying to overwrite '/usr/share/initramfs-tools/conf.d/compcache', which is also in package live-initramfs 0:1.173.1-1

[B.A.H.]

Binary package hint: casper

it didn't work

ProblemType: Package
DistroRelease: Ubuntu 10.04
Package: casper (not installed)
ProcVersionSignature: Ubuntu 2.6.32-27.49-generic 2.6.32.26+drm33.12
Uname: Linux 2.6.32-27-generic i686
NonfreeKernelModules: nvidia wl
AptOrdering:
 localechooser-data: Install
 casper: Install
 localechooser-data: Configure
 casper: Configure
Architecture: i386
Date: Sun Jan 23 04:02:24 2011
ErrorMessage: trying to overwrite '/usr/share/initramfs-tools/conf.d/compcache', which is also in package live-initramfs 0:1.173.1-1
InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release i386 (20100816.1)
SourcePackage: casper
Title: package casper (not installed) failed to install/upgrade: trying to overwrite '/usr/share/initramfs-tools/conf.d/compcache', which is also in package live-initramfs 0:1.173.1-1