package libp11-kit-gnome-keyring (not installed) failed to install/upgrade: trying to overwrite shared '/etc/pkcs11/modules/gnome-keyring.module', which is different from other instances of package libp11-kit-gnome-keyring:amd64

[btolman]

after troublesome upgrade, removal and reinstall of both unity and gnome.

ProblemType: Package
DistroRelease: Ubuntu 13.04
Package: libp11-kit-gnome-keyring (not installed)
ProcVersionSignature: Ubuntu 3.8.0-26.38-generic 3.8.13.2
Uname: Linux 3.8.0-26-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.9.2-0ubuntu8.1
Architecture: amd64
Date: Sat Jul 6 13:13:04 2013
ErrorMessage: trying to overwrite shared '/etc/pkcs11/modules/gnome-keyring.module', which is different from other instances of package libp11-kit-gnome-keyring:amd64
InstallationDate: Installed on 2011-11-14 (600 days ago)
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
MarkForUpload: True
SourcePackage: gnome-keyring
Title: package libp11-kit-gnome-keyring (not installed) failed to install/upgrade: trying to overwrite shared '/etc/pkcs11/modules/gnome-keyring.module', which is different from other instances of package libp11-kit-gnome-keyring:amd64
UpgradeStatus: Upgraded to raring on 2013-07-02 (4 days ago)