package arno-iptables-firewall 2.0.0.c-1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2

не зная

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: arno-iptables-firewall 2.0.0.c-1
ProcVersionSignature: Ubuntu 3.2.0-30.48-generic-pae 3.2.27
Uname: Linux 3.2.0-30-generic-pae i686
ApportVersion: 2.0.1-0ubuntu12
AptOrdering:
 linux-headers-3.2.0-23-generic-pae: Remove
 linux-headers-3.2.0-23: Remove
 linux-image-3.2.0-23-generic-pae: Remove
 arno-iptables-firewall: Configure
Architecture: i386
Date: Mon Sep 10 18:09:27 2012
ErrorMessage: subprocess installed post-installation script returned error exit status 2
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
PackageArchitecture: all
SourcePackage: arno-iptables-firewall
Title: package arno-iptables-firewall 2.0.0.c-1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2
UpgradeStatus: No upgrade log present (probably fresh install)