package libssl-doc 1.0.1f-1ubuntu11 failed to install/upgrade: package libssl-doc is not ready for configuration cannot configure (current status `half-installed')

[Sixbert Uwiringiyimana]

trying to do simple install but can't purge, remove or configure

ProblemType: Package
DistroRelease: Ubuntu 15.04
Package: libssl-doc 1.0.1f-1ubuntu11
ProcVersionSignature: Ubuntu 3.19.0-18.18-generic 3.19.6
Uname: Linux 3.19.0-18-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.1
AptOrdering:
 libssl-doc: Configure
 NULL: ConfigurePending
Architecture: amd64
Date: Sat Jun 13 22:13:37 2015
Dependencies:

DpkgTerminalLog:
 dpkg: error processing package libssl-doc (--configure):
  package libssl-doc is not ready for configuration
  cannot configure (current status `half-installed')
DuplicateSignature: package:libssl-doc:1.0.1f-1ubuntu11:package libssl-doc is not ready for configuration cannot configure (current status `half-installed')
ErrorMessage: package libssl-doc is not ready for configuration cannot configure (current status `half-installed')
InstallationDate: Installed on 2015-05-08 (35 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.17.25ubuntu1
 apt 1.0.9.7ubuntu4
SourcePackage: openssl
Title: package libssl-doc 1.0.1f-1ubuntu11 failed to install/upgrade: package libssl-doc is not ready for configuration cannot configure (current status `half-installed')
UpgradeStatus: No upgrade log present (probably fresh install)