package nanny 2.31.1-0ubuntu4 failed to install/upgrade: sub-processo script pre-removal instalado retornou estado de saída de erro 1

I can't install and run.

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: nanny 2.31.1-0ubuntu4
ProcVersionSignature: Ubuntu 3.2.0-58.88-generic-pae 3.2.53
Uname: Linux 3.2.0-58-generic-pae i686
ApportVersion: 2.0.1-0ubuntu17.6
AptOrdering: nanny: Purge
Architecture: i386
Date: Fri Jan 31 14:23:19 2014
DpkgTerminalLog:
 Removendo nanny ...
 Stopping nanny (Parental Control Daemon): start-stop-daemon: warning: failed to kill 27614: No such process
 invoke-rc.d: initscript nanny, action "stop" failed.
 dpkg: erro processando nanny (--purge):
  sub-processo script pre-removal instalado retornou estado de saída de erro 1
DuplicateSignature: package:nanny:2.31.1-0ubuntu4:sub-processo script pre-removal instalado retornou estado de saída de erro 1
ErrorMessage: sub-processo script pre-removal instalado retornou estado de saída de erro 1
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release i386 (20120817.3)
MarkForUpload: True
SourcePackage: nanny
Title: package nanny 2.31.1-0ubuntu4 failed to install/upgrade: sub-processo script pre-removal instalado retornou estado de saída de erro 1
UpgradeStatus: No upgrade log present (probably fresh install)