package muddleftpd 1.3.13.1-4.2ubuntu3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[coldicecn]

1. Install the package
2. Reboot
3. Report "System Error found".

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: muddleftpd 1.3.13.1-4.2ubuntu3
ProcVersionSignature: Ubuntu 3.2.0-27.43-generic 3.2.21
Uname: Linux 3.2.0-27-generic x86_64
ApportVersion: 2.0.1-0ubuntu11
AptOrdering: muddleftpd: Configure
Architecture: amd64
Date: Sat Aug 18 04:05:28 2012
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
SourcePackage: muddleftpd
Title: package muddleftpd 1.3.13.1-4.2ubuntu3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

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