package libswscale-extra-2 (not installed) failed to install/upgrade: libswscale-extra-2:all 6:9.13-0ubuntu0.14.04.1 (Multi-Arch: no) is not co-installable with libswscale-extra-2 which has multiple installed instances

[Zig]

i do not undestand

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: libswscale-extra-2 (not installed)
ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
Uname: Linux 3.13.0-24-generic x86_64
ApportVersion: 2.14.1-0ubuntu3
AptOrdering:
 libswscale-extra-2: Install
 libswscale-extra-2: Configure
 libavfilter-extra-2: Configure
Architecture: amd64
Date: Sat Jun 21 10:32:40 2014
DpkgHistoryLog:
 Start-Date: 2014-06-21 10:32:39
 Commandline: aptdaemon role='role-fix-broken-depends' sender=':1.79'
 Install: libswscale-extra-2:amd64 (9.13-0ubuntu0.14.04.1, automatic)
DpkgTerminalLog:
 dpkg: error processing archive /var/cache/apt/archives/libswscale-extra-2_6%3a9.13-0ubuntu0.14.04.1_all.deb (--unpack):
  libswscale-extra-2:all 6:9.13-0ubuntu0.14.04.1 (Multi-Arch: no) is not co-installable with libswscale-extra-2 which has multiple installed instances
DuplicateSignature: package:libswscale-extra-2:(not installed):libswscale-extra-2:all 6:9.13-0ubuntu0.14.04.1 (Multi-Arch: no) is not co-installable with libswscale-extra-2 which has multiple installed instances
ErrorMessage: libswscale-extra-2:all 6:9.13-0ubuntu0.14.04.1 (Multi-Arch: no) is not co-installable with libswscale-extra-2 which has multiple installed instances
InstallationDate: Installed on 2013-05-24 (397 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
SourcePackage: libav
Title: package libswscale-extra-2 (not installed) failed to install/upgrade: libswscale-extra-2:all 6:9.13-0ubuntu0.14.04.1 (Multi-Arch: no) is not co-installable with libswscale-extra-2 which has multiple installed instances
UpgradeStatus: Upgraded to trusty on 2014-05-01 (55 days ago)

[Sebastian Ramacher (s-ramacher)]

Please provide logs from apt and dpkg.

[Launchpad Janitor (janitor)]

[Expired for libav (Ubuntu) because there has been no activity for 60 days.]