package gstreamer0.10-plugins-good 0.10.28-0ubuntu4 failed to install/upgrade: trying to overwrite '/usr/lib/gstreamer-0.10/libgstshm.so', which is also in package gstreamer0.10-plugins-bad 0.10.21-1ubuntu4

Package has failed to update on two occasions now. Sorry I don't have any more info...

ProblemType: Package
DistroRelease: Ubuntu 11.04
Package: gstreamer0.10-plugins-good 0.10.28-0ubuntu4
ProcVersionSignature: Ubuntu 2.6.38-7.38-generic 2.6.38
Uname: Linux 2.6.38-7-generic i686
Architecture: i386
Date: Mon Mar 21 17:54:59 2011
ErrorMessage: trying to overwrite '/usr/lib/gstreamer-0.10/libgstshm.so', which is also in package gstreamer0.10-plugins-bad 0.10.21-1ubuntu4
InstallationMedia: Xubuntu 10.10 "Maverick Meerkat" - Release i386 (20101008.1)
SourcePackage: gst-plugins-good0.10
Title: package gstreamer0.10-plugins-good 0.10.28-0ubuntu4 failed to install/upgrade: trying to overwrite '/usr/lib/gstreamer-0.10/libgstshm.so', which is also in package gstreamer0.10-plugins-bad 0.10.21-1ubuntu4
UpgradeStatus: Upgraded to natty on 2011-03-04 (18 days ago)