package libpostproc52 6:0.8.10-0ubuntu0.13.10.1 [modified: usr/lib/x86_64-linux-gnu/libpostproc.so.52.0.0] failed to install/upgrade: libpostproc52:amd64 6:0.git20120821-4 (Multi-Arch: no) is not co-installable with libpostproc52 which has multiple installed instances

[gian marco]

i can't upgrade my ubuntu

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: libpostproc52 6:0.8.10-0ubuntu0.13.10.1 [modified: usr/lib/x86_64-linux-gnu/libpostproc.so.52.0.0]
ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
Uname: Linux 3.13.0-32-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
Date: Tue Jul 29 10:19:12 2014
Dependencies:
 gcc-4.9-base 4.9-20140406-0ubuntu1
 libavutil51 6:0.8.10-0ubuntu0.13.10.1 [modified: usr/lib/x86_64-linux-gnu/libavutil.so.51.22.2] [origin: unknown]
 libc6 2.19-0ubuntu6 [modified: lib/x86_64-linux-gnu/ld-2.19.so lib/x86_64-linux-gnu/libc-2.19.so lib/x86_64-linux-gnu/libcrypt-2.19.so lib/x86_64-linux-gnu/libdl-2.19.so lib/x86_64-linux-gnu/libm-2.19.so lib/x86_64-linux-gnu/libnsl-2.19.so lib/x86_64-linux-gnu/libpthread-2.19.so lib/x86_64-linux-gnu/libresolv-2.19.so lib/x86_64-linux-gnu/librt-2.19.so lib/x86_64-linux-gnu/libutil-2.19.so]
 libgcc1 1:4.9-20140406-0ubuntu1 [modified: lib/x86_64-linux-gnu/libgcc_s.so.1]
 multiarch-support 2.19-0ubuntu6
DuplicateSignature: package:libpostproc52:6:0.8.10-0ubuntu0.13.10.1 [modified: usr/lib/x86_64-linux-gnu/libpostproc.so.52.0.0]:libpostproc52:amd64 6:0.git20120821-4 (Multi-Arch: no) is not co-installable with libpostproc52 which has multiple installed instances
ErrorMessage: libpostproc52:amd64 6:0.git20120821-4 (Multi-Arch: no) is not co-installable with libpostproc52 which has multiple installed instances
InstallationDate: Installed on 2013-03-26 (490 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
SourcePackage: libav
Title: package libpostproc52 6:0.8.10-0ubuntu0.13.10.1 [modified: usr/lib/x86_64-linux-gnu/libpostproc.so.52.0.0] failed to install/upgrade: libpostproc52:amd64 6:0.git20120821-4 (Multi-Arch: no) is not co-installable with libpostproc52 which has multiple installed instances
UpgradeStatus: Upgraded to trusty on 2014-06-01 (58 days ago)

[Launchpad Janitor (janitor)]

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