package libswscale-extra-2 4:0.8.10ubuntu0.12.04.1 failed to install/upgrade: libswscale-extra-2:all 6:9.11-2ubuntu2 (Multi-Arch: no) is not co-installable with libswscale-extra-2 which has multiple installed instances

[Andreas Pietrusky]

After Updating from 12.04 LTS to 14.04 LTS

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: libswscale-extra-2 4:0.8.10ubuntu0.12.04.1
ProcVersionSignature: Ubuntu 3.13.0-24.46-lowlatency 3.13.9
Uname: Linux 3.13.0-24-lowlatency x86_64
ApportVersion: 2.14.1-0ubuntu3
Architecture: amd64
Date: Tue Apr 22 11:39:51 2014
Dependencies:
 gcc-4.9-base 4.9-20140406-0ubuntu1
 libavutil-extra-51 4:0.8.10ubuntu0.12.04.1 [origin: unknown]
 libc6 2.19-0ubuntu6
 libgcc1 1:4.9-20140406-0ubuntu1
 multiarch-support 2.19-0ubuntu6
DpkgTerminalLog:
 dpkg: error processing archive /var/cache/apt/archives/libswscale-extra-2_6%3a9.11-2ubuntu2_all.deb (--unpack):
  libswscale-extra-2:all 6:9.11-2ubuntu2 (Multi-Arch: no) is not co-installable with libswscale-extra-2 which has multiple installed instances
DuplicateSignature: package:libswscale-extra-2:4:0.8.10ubuntu0.12.04.1:libswscale-extra-2:all 6:9.11-2ubuntu2 (Multi-Arch: no) is not co-installable with libswscale-extra-2 which has multiple installed instances
ErrorMessage: libswscale-extra-2:all 6:9.11-2ubuntu2 (Multi-Arch: no) is not co-installable with libswscale-extra-2 which has multiple installed instances
InstallationDate: Installed on 2013-08-27 (237 days ago)
InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 (20130213)
SourcePackage: libav-extra
Title: package libswscale-extra-2 4:0.8.10ubuntu0.12.04.1 failed to install/upgrade: libswscale-extra-2:all 6:9.11-2ubuntu2 (Multi-Arch: no) is not co-installable with libswscale-extra-2 which has multiple installed instances
UpgradeStatus: Upgraded to trusty on 2014-04-22 (0 days ago)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.