package clamav-freshclam 0.98.1+dfsg-4ubuntu1~ubuntu13.10.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Buenaventura]

No puedo actualizarlo.

ProblemType: Package
DistroRelease: Ubuntu 13.10
Package: clamav-freshclam 0.98.1+dfsg-4ubuntu1~ubuntu13.10.2
ProcVersionSignature: Ubuntu 3.11.0-18.32-generic 3.11.10.4
Uname: Linux 3.11.0-18-generic i686
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: i386
Date: Mon Mar 31 09:02:41 2014
DuplicateSignature: package:clamav-freshclam:0.98.1+dfsg-4ubuntu1~ubuntu13.10.2:subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2013-05-11 (323 days ago)
InstallationMedia: Kubuntu 13.04 "Raring Ringtail" - Release i386 (20130424)
MarkForUpload: True
ProcCmdline: BOOT_IMAGE=/boot/vmlinuz-3.11.0-18-generic root=UUID=d947ebff-ceb2-4e39-ad64-9a8813b9b406 ro quiet splash vt.handoff=7
SourcePackage: clamav
Title: package clamav-freshclam 0.98.1+dfsg-4ubuntu1~ubuntu13.10.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to saucy on 2013-10-18 (163 days ago)

[Robie Basak (racb)]

From log:

Setting up clamav-base (0.98.1+dfsg-4ubuntu1~ubuntu13.10.2) ...
groups: clamav: no such user
chown: invalid user: 'clamav:clamav'
chown: invalid user: 'clamav:clamav'
Replacing config file /etc/clamav/clamd.conf with new version
Setting up clamav-freshclam (0.98.1+dfsg-4ubuntu1~ubuntu13.10.2) ...
Installing new version of config file /etc/init.d/clamav-freshclam ...
chown: invalid user: 'clamav:adm'
dpkg: error processing clamav-freshclam (--configure):
 subprocess installed post-installation script returned error exit status 1

[Launchpad Janitor (janitor)]

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