package base-files 9.4ubuntu4.5 failed to install/upgrade: package base-files is already installed and configured

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ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: base-files 9.4ubuntu4.5
ProcVersionSignature: Ubuntu 4.4.0-97.120-generic 4.4.87
Uname: Linux 4.4.0-97-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu2.10
AptdaemonVersion: 1.1.1+bzr982-0ubuntu14
Architecture: amd64
Date: Fri Oct 13 11:52:14 2017
Dependencies:

DpkgTerminalLog:
 dpkg: error processing package base-files (--configure):
  package base-files is already installed and configured
ErrorMessage: package base-files is already installed and configured
InstallationDate: Installed on 2017-02-12 (247 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.2
 apt 1.2.20
SourcePackage: dpkg
Title: package base-files 9.4ubuntu4.5 failed to install/upgrade: package base-files is already installed and configured
UpgradeStatus: No upgrade log present (probably fresh install)