package libffi6:i386 3.1~rc1+r3.0.13-12ubuntu0.2 failed to install/upgrade: package libffi6:i386 is already installed and configured

[Erhard Herrmann]

The bug messes with my password, I can't get or download some files.

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: libffi6:i386 3.1~rc1+r3.0.13-12ubuntu0.2
ProcVersionSignature: Ubuntu 3.13.0-147.196-generic 3.13.11-ckt39
Uname: Linux 3.13.0-147-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.28
AptdaemonVersion: 1.1.1-1ubuntu5.2
Architecture: amd64
Date: Sun May 20 10:21:54 2018
Dependencies:
 gcc-4.9-base 4.9.3-0ubuntu4
 libc6 2.19-0ubuntu6.14
 libgcc1 1:4.9.3-0ubuntu4
 multiarch-support 2.19-0ubuntu6.14
DuplicateSignature: package:libffi6:i386:3.1~rc1+r3.0.13-12ubuntu0.2:package libffi6:i386 is already installed and configured
ErrorMessage: package libffi6:i386 is already installed and configured
InstallationDate: Installed on 2018-05-19 (1 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
PackageArchitecture: i386
RelatedPackageVersions:
 dpkg 1.17.5ubuntu5.8
 apt 1.0.1ubuntu2.18
SourcePackage: dpkg
Title: package libffi6:i386 3.1~rc1+r3.0.13-12ubuntu0.2 failed to install/upgrade: package libffi6:i386 is already installed and configured
UpgradeStatus: No upgrade log present (probably fresh install)