package zentyal-services (not installed) failed to install/upgrade: subprocess installed post-removal script returned error exit status 2

[Ronald L Guest]

zentyal will not install or remove

ProblemType: Package
DistroRelease: Ubuntu 13.04
Package: zentyal-services (not installed)
ProcVersionSignature: Ubuntu 3.5.0-37.58-generic 3.5.7.16
Uname: Linux 3.5.0-37-generic i686
NonfreeKernelModules: fglrx
ApportVersion: 2.9.2-0ubuntu8.3
Architecture: i386
Date: Tue Sep 10 11:19:38 2013
DpkgTerminalLog:
 Removing zentyal-services ...
 Purging configuration files for zentyal-services ...
 dpkg: error processing zentyal-services (--purge):
  subprocess installed post-removal script returned error exit status 2
DuplicateSignature: package:zentyal-services:(not installed):subprocess installed post-removal script returned error exit status 2
ErrorMessage: subprocess installed post-removal script returned error exit status 2
InstallationDate: Installed on 2013-07-26 (45 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2)
MarkForUpload: True
SourcePackage: zentyal-services
Title: package zentyal-services (not installed) failed to install/upgrade: subprocess installed post-removal script returned error exit status 2
UpgradeStatus: Upgraded to raring on 2013-08-10 (31 days ago)