package ppp 2.4.5-5.1ubuntu2.1 failed to install/upgrade: package is in a very bad inconsistent state; you should reinstall it before attempting configuration

When i unistall apps, i have this error. I really don't know what's wrong.
Sorry i can't give you any other piece of information.

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: ppp 2.4.5-5.1ubuntu2.1
ProcVersionSignature: Ubuntu 3.13.0-44.73-generic 3.13.11-ckt12
Uname: Linux 3.13.0-44-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.6
AptOrdering:
 gcu-bin: Remove
 ppp: Configure
Architecture: amd64
Date: Mon Jan 5 14:50:11 2015
DpkgHistoryLog:
 Start-Date: 2015-01-05 14:49:55
 Commandline: aptdaemon role='role-remove-packages' sender=':1.116'
 Remove: gcu-bin:amd64 (0.14.6-1ubuntu1)
DuplicateSignature: package:ppp:2.4.5-5.1ubuntu2.1:package is in a very bad inconsistent state; you should reinstall it before attempting configuration
ErrorMessage: package is in a very bad inconsistent state; you should reinstall it before attempting configuration
InstallationDate: Installed on 2014-08-04 (153 days ago)
InstallationMedia: Xubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140723)
SourcePackage: ppp
Title: package ppp 2.4.5-5.1ubuntu2.1 failed to install/upgrade: package is in a very bad inconsistent state; you should reinstall it before attempting configuration
UpgradeStatus: No upgrade log present (probably fresh install)