package shared-mime-info 1.2-0ubuntu3 failed to install/upgrade: package shared-mime-info is already installed and configured

[Giorgio]

I'm new yo uuntu and Linux, the error mwssage appeared but i don't know why

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: shared-mime-info 1.2-0ubuntu3
ProcVersionSignature: Ubuntu 3.13.0-45.74-generic 3.13.11-ckt13
Uname: Linux 3.13.0-45-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.6
AptdaemonVersion: 1.1.1-1ubuntu5.1
Architecture: amd64
CrashReports: 600:0:116:289477:2015-02-12 21:59:50.470937490 +0000:2015-02-12 21:59:51.470937490 +0000:/var/crash/shared-mime-info.0.crash
Date: Thu Feb 12 21:59:51 2015
DuplicateSignature: package:shared-mime-info:1.2-0ubuntu3:package shared-mime-info is already installed and configured
ErrorMessage: package shared-mime-info is already installed and configured
InstallationDate: Installed on 2015-02-12 (0 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
SourcePackage: dpkg
Title: package shared-mime-info 1.2-0ubuntu3 failed to install/upgrade: package shared-mime-info is already installed and configured
UpgradeStatus: No upgrade log present (probably fresh install)