package libxau6:i386 1:1.0.8-1 failed to install/upgrade: package libxau6:i386 is already installed and configured

[Emily Flinn]

:(

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: libxau6:i386 1:1.0.8-1
ProcVersionSignature: Ubuntu 4.8.0-58.63~16.04.1-generic 4.8.17
Uname: Linux 4.8.0-58-generic x86_64
.tmp.unity_support_test.0:

ApportVersion: 2.20.1-0ubuntu2.6
AptdaemonVersion: 1.1.1+bzr982-0ubuntu14
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
Date: Mon Jul 17 20:42:39 2017
Dependencies:
 gcc-6-base 6.0.1-0ubuntu1
 libc6 2.23-0ubuntu9
 libgcc1 1:6.0.1-0ubuntu1
 multiarch-support 2.23-0ubuntu9
DistUpgraded: Fresh install
DistroCodename: xenial
DistroVariant: ubuntu
DuplicateSignature:
 package:libxau6:i386:1:1.0.8-1
 Processing triggers for dbus (1.10.6-1ubuntu3.3) ...
 dpkg: error processing package libsystemd0:i386 (--configure):
  package libsystemd0:i386 is already installed and configured
ErrorMessage: package libxau6:i386 is already installed and configured
GraphicsCard:
 Advanced Micro Devices, Inc. [AMD/ATI] Mullins [Radeon R4/R5 Graphics] [1002:9851] (prog-if 00 [VGA controller])
   Subsystem: Dell Mullins [Radeon R4/R5 Graphics] [1028:0658]
InstallationDate: Installed on 2017-06-12 (35 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
MachineType: Dell Inc. Inspiron 3541
PackageArchitecture: i386
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.8.0-58-generic.efi.signed root=UUID=fb97ec58-cb34-4303-a681-a07455aee407 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.2
 apt 1.2.20
SourcePackage: dpkg
Title: package libxau6:i386 1:1.0.8-1 failed to install/upgrade: package libxau6:i386 is already installed and configured
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/13/2015
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A06
dmi.board.name: Inspiron 3541
dmi.board.vendor: Dell Inc.
dmi.board.version: A06
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: Not Specified
dmi.modalias: dmi:bvnDellInc.:bvrA06:bd07/13/2015:svnDellInc.:pnInspiron3541:pvrNotSpecified:rvnDellInc.:rnInspiron3541:rvrA06:cvnDellInc.:ct8:cvrNotSpecified:
dmi.product.name: Inspiron 3541
dmi.product.version: Not Specified
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.12.2+16.04.20160823-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.70-1~ubuntu16.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 12.0.6-0ubuntu0.16.04.1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 12.0.6-0ubuntu0.16.04.1
version.xserver-xorg-core: xserver-xorg-core N/A
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A