package libplymouth4:i386 0.9.2-3ubuntu13 failed to install/upgrade: pakket libplymouth4:i386 is niet gereed voor configuratie kan het niet configureren (huidige status 'half-installed')

happened when trying to reinstall Firefox via apt-get install

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: libplymouth4:i386 0.9.2-3ubuntu13
ProcVersionSignature: Ubuntu 4.4.0-21.37-lowlatency 4.4.6
Uname: Linux 4.4.0-21-lowlatency i686
ApportVersion: 2.20.1-0ubuntu2
AptOrdering:
 firefox: Install
 libplymouth4: Configure
 firefox: Configure
 NULL: ConfigurePending
Architecture: i386
BootLog: Error: [Errno 2] Bestand of map bestaat niet: '/var/log/boot.log'
Date: Wed Jun 29 20:48:53 2016
DefaultPlymouth: /usr/share/plymouth/themes/ubuntustudio-logo/ubuntustudio-logo.plymouth
ErrorMessage: pakket libplymouth4:i386 is niet gereed voor configuratie kan het niet configureren (huidige status 'half-installed')
InstallationDate: Installed on 2016-06-28 (0 days ago)
InstallationMedia: Ubuntu-Studio 16.04 LTS "Xenial Xerus" - Release i386 (20160420.1)
Lsusb:
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 002 Device 002: ID 0a81:0205 Chesen Electronics Corp. PS/2 Keyboard+Mouse Adapter
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: Dell Computer Corporation Dimension 3000
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-21-lowlatency root=UUID=b17f16af-a25c-47bf-aad9-59b4c3d8c033 ro quiet splash vt.handoff=7
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-21-lowlatency root=UUID=b17f16af-a25c-47bf-aad9-59b4c3d8c033 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.12~ubuntu16.04.1
SourcePackage: plymouth
TextPlymouth: /usr/share/plymouth/themes/ubuntustudio-text/ubuntustudio-text.plymouth
Title: package libplymouth4:i386 0.9.2-3ubuntu13 failed to install/upgrade: pakket libplymouth4:i386 is niet gereed voor configuratie kan het niet configureren (huidige status 'half-installed')
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/08/2004
dmi.bios.vendor: Dell Computer Corporation
dmi.bios.version: A02
dmi.board.name: 0TC666
dmi.board.vendor: Dell Computer Corp.
dmi.chassis.type: 6
dmi.chassis.vendor: Dell Computer Corporation
dmi.modalias: dmi:bvnDellComputerCorporation:bvrA02:bd11/08/2004:svnDellComputerCorporation:pnDimension3000:pvr:rvnDellComputerCorp.:rn0TC666:rvr:cvnDellComputerCorporation:ct6:cvr:
dmi.product.name: Dimension 3000
dmi.sys.vendor: Dell Computer Corporation