package wget 1.15-1ubuntu1 failed to install/upgrade: cannot compute MD5 hash for file '/etc/wgetrc': failed to read (Input/output error)

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ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: wget 1.15-1ubuntu1
ProcVersionSignature: Ubuntu 3.11.0-26.45-generic 3.11.10.12
Uname: Linux 3.11.0-26-generic i686
ApportVersion: 2.14.1-0ubuntu3.4
Architecture: i386
Date: Fri Sep 26 16:51:39 2014
DuplicateSignature: package:wget:1.15-1ubuntu1:cannot compute MD5 hash for file '/etc/wgetrc': failed to read (Input/output error)
ErrorMessage: cannot compute MD5 hash for file '/etc/wgetrc': failed to read (Input/output error)
InstallationDate: Installed on 2012-01-19 (981 days ago)
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
SourcePackage: wget
Title: package wget 1.15-1ubuntu1 failed to install/upgrade: cannot compute MD5 hash for file '/etc/wgetrc': failed to read (Input/output error)
UpgradeStatus: Upgraded to trusty on 2014-09-27 (0 days ago)
mtime.conffile..etc.wgetrc: 2011-05-17T22:17:24