package libmuonprivate2 (not installed) failed to install/upgrade: trying to overwrite '/usr/share/kde4/services/muon-knsplasmoids-backend.desktop', which is also in package libmuonprivate1 2.1.0-0ubuntu1

unable to upgrade libmuonprivate2

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: libmuonprivate2 (not installed)
ProcVersionSignature: Ubuntu 3.12.0-2.7-generic 3.12.0
Uname: Linux 3.12.0-2-generic i686
NonfreeKernelModules: fglrx
ApportVersion: 2.12.6-0ubuntu1
Architecture: i386
Date: Mon Nov 11 15:38:08 2013
DuplicateSignature: package:libmuonprivate2:(not installed):trying to overwrite '/usr/share/kde4/services/muon-knsplasmoids-backend.desktop', which is also in package libmuonprivate1 2.1.0-0ubuntu1
ErrorMessage: trying to overwrite '/usr/share/kde4/services/muon-knsplasmoids-backend.desktop', which is also in package libmuonprivate1 2.1.0-0ubuntu1
InstallationDate: Installed on 2013-09-21 (50 days ago)
InstallationMedia: Xubuntu 13.10 "Saucy Salamander" - Alpha i386 (20130920)
MarkForUpload: True
SourcePackage: muon
Title: package libmuonprivate2 (not installed) failed to install/upgrade: trying to overwrite '/usr/share/kde4/services/muon-knsplasmoids-backend.desktop', which is also in package libmuonprivate1 2.1.0-0ubuntu1
UpgradeStatus: Upgraded to trusty on 2013-11-08 (2 days ago)