package nvidia-settings (not installed) failed to install/upgrade: forsøger at overskrive '/usr/share/man/man1/nvidia-settings.1.gz', som også er i pakken nvidia-settings-experimental-310 310.14-0ubuntu0.1

Don't know why

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: nvidia-settings (not installed)
ProcVersionSignature: Ubuntu 3.2.0-51.77-generic 3.2.48
Uname: Linux 3.2.0-51-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: i386
Date: Sun Feb 23 15:58:59 2014
DuplicateSignature: package:nvidia-settings:(not installed):forsøger at overskrive '/usr/share/man/man1/nvidia-settings.1.gz', som også er i pakken nvidia-settings-experimental-310 310.14-0ubuntu0.1
ErrorMessage: forsøger at overskrive '/usr/share/man/man1/nvidia-settings.1.gz', som også er i pakken nvidia-settings-experimental-310 310.14-0ubuntu0.1
InstallationMedia: Lubuntu 11.04 "Natty Narwhal" - i386 (20101203)
MarkForUpload: True
SourcePackage: nvidia-settings
Title: package nvidia-settings (not installed) failed to install/upgrade: forsøger at overskrive '/usr/share/man/man1/nvidia-settings.1.gz', som også er i pakken nvidia-settings-experimental-310 310.14-0ubuntu0.1
UpgradeStatus: Upgraded to precise on 2012-04-26 (667 days ago)