W:Failed to fetch http://ppa.launchpad.net/heyarje/libav-11/ubuntu/dists/precise/main/source/Sources 404 Not Found , W:Failed to fetch http://ppa.launchpad.net/heyarje/libav-11/ubuntu/dists/precise/main/binary-i386/Packages 404 Not Found , E:Some index files failed to download. They have been ignored, or old ones used instead.

W:Failed to fetch http://ppa.launchpad.net/heyarje/libav-11/ubuntu/dists/precise/main/source/Sources 404 Not Found
, W:Failed to fetch http://ppa.launchpad.net/heyarje/libav-11/ubuntu/dists/precise/main/binary-i386/Packages 404 Not Found
, E:Some index files failed to download. They have been ignored, or old ones used instead.

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: capiutils (not installed)
ProcVersionSignature: Ubuntu 3.2.0-124.167-generic 3.2.79
Uname: Linux 3.2.0-124-generic i686
ApportVersion: 2.0.1-0ubuntu17.15
AptOrdering:
 linux-headers-3.2.0-48-generic: Remove
 linux-headers-3.2.0-48: Remove
 capiutils: Configure
 drdsl: Configure
Architecture: i386
Date: Mon Mar 27 11:06:40 2017
DuplicateSignature: package:capiutils:(not installed):subprocess installed post-installation script returned error exit status 32
ErrorMessage: subprocess installed post-installation script returned error exit status 32
MarkForUpload: True
SourcePackage: isdnutils
Title: package capiutils (not installed) failed to install/upgrade: subprocess installed post-installation script returned error exit status 32
UpgradeStatus: Upgraded to precise on 2017-03-25 (1 days ago)