package libpostproc52 6:0.8.13-0ubuntu0.13.10.1 failed to install/upgrade: libpostproc52:amd64 6:0.git20120821-4 (Multi-Arch: no) is not co-installable with libpostproc52 which has multiple installed instances

[Asutosh Panda]

I don't have much idea about this but on starting the OS, its showing a message like this - diskfilter writes are not supported

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: libpostproc52 6:0.8.13-0ubuntu0.13.10.1
ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
Uname: Linux 3.13.0-32-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.14.1-0ubuntu3.2
AptOrdering:
 libpostproc52: Install
 libpostproc52: Configure
Architecture: amd64
Date: Fri Aug 1 12:16:29 2014
Dependencies:
 gcc-4.9-base 4.9-20140406-0ubuntu1
 libc6 2.19-0ubuntu6
 libgcc1 1:4.9-20140406-0ubuntu1
 multiarch-support 2.19-0ubuntu6
ErrorMessage: libpostproc52:amd64 6:0.git20120821-4 (Multi-Arch: no) is not co-installable with libpostproc52 which has multiple installed instances
InstallationDate: Installed on 2014-06-30 (31 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
SourcePackage: libav
Title: package libpostproc52 6:0.8.13-0ubuntu0.13.10.1 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 2014-08-01 (0 days ago)

[Launchpad Janitor (janitor)]

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