package clamav-daemon 0.98.1+dfsg-4ubuntu1~ubuntu12.04.2 failed to install/upgrade: le sous-processus script post-installation installé a retourné une erreur de sortie d'état 1

I tried to install clamav.
Ubuntu 12.04 classic

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: clamav-daemon 0.98.1+dfsg-4ubuntu1~ubuntu12.04.2
Uname: Linux 3.9.3-030903-generic i686
ApportVersion: 2.0.1-0ubuntu17.6
AptOrdering:
 clamav-daemon: Install
 clamav-daemon: Configure
Architecture: i386
Date: Wed May 21 15:27:54 2014
DuplicateSignature: package:clamav-daemon:0.98.1+dfsg-4ubuntu1~ubuntu12.04.2: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
MarkForUpload: True
SourcePackage: clamav
Title: package clamav-daemon 0.98.1+dfsg-4ubuntu1~ubuntu12.04.2 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)