package mythweb (not installed) failed to install/upgrade: le sous-processus script post-installation installé a retourné une erreur de sortie d'état 1

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ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: mythweb (not installed)
ProcVersionSignature: Ubuntu 3.16.0-38.52~14.04.1-generic 3.16.7-ckt10
Uname: Linux 3.16.0-38-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.11
Architecture: amd64
Date: Mon May 25 22:00:44 2015
DuplicateSignature: package:mythweb:(not installed):le sous-processus script post-installation installé a retourné une erreur de sortie d'état 1
ErrorMessage: le sous-processus script post-installation installé a retourné une erreur de sortie d'état 1
InstallationDate: Installed on 2015-05-11 (19 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
SourcePackage: mythtv
Title: package mythweb (not installed) failed to install/upgrade: le sous-processus script post-installation installé a retourné une erreur de sortie d'état 1
UpgradeStatus: No upgrade log present (probably fresh install)
modified.conffile..etc.default.mythweb:

mtime.conffile..etc.default.mythweb: 2015-05-25T22:35:09.483130