package xul-ext-ubufox 0.9-0ubuntu1~mfs~lucid1 failed to install/upgrade: trying to overwrite '/usr/share/xul-ext/ubufox/chrome/ubufox.jar', which is also in package ubufox 0:0.9.1-0ubuntu0.10.04.1~mfn3

[samba]

apt problem
some file already exist!

ProblemType: Package
DistroRelease: Ubuntu 10.04
Package: xul-ext-ubufox 0.9-0ubuntu1~mfs~lucid1
ProcVersionSignature: Ubuntu 2.6.32-38.83-generic 2.6.32.52+drm33.21
Uname: Linux 2.6.32-38-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Sat Jan 7 14:34:51 2012
ErrorMessage: trying to overwrite '/usr/share/xul-ext/ubufox/chrome/ubufox.jar', which is also in package ubufox 0:0.9.1-0ubuntu0.10.04.1~mfn3
InstallationMedia: Ubuntu 10.04.2 LTS "Lucid Lynx" - Release amd64 (20110211.3)
PackageArchitecture: all
SourcePackage: ubufox
Title: package xul-ext-ubufox 0.9-0ubuntu1~mfs~lucid1 failed to install/upgrade: trying to overwrite '/usr/share/xul-ext/ubufox/chrome/ubufox.jar', which is also in package ubufox 0:0.9.1-0ubuntu0.10.04.1~mfn3

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.