Public bug reported: I have no idea but it did not go smoothly after upgrading to 16.04 LTS after 12.XX. Now it my seem OK.
ProblemType: Package DistroRelease: Ubuntu 16.04 Package: unity 7.4.0+16.04.20160715-0ubuntu1 ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13 Uname: Linux 4.4.0-31-generic i686 .tmp.unity_support_test.0: ApportVersion: 2.20.1-0ubuntu2.5 AptOrdering: ubuntu-desktop: Remove unity: Purge NULL: ConfigurePending Architecture: i386 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true Date: Wed May 24 22:51:12 2017 DistUpgraded: 2016-08-07 22:03:13,539 DEBUG icon theme changed, re-reading DistroCodename: xenial DistroVariant: ubuntu DpkgHistoryLog: Start-Date: 2017-05-24 22:51:11 Commandline: /usr/sbin/synaptic Requested-By: embeddedubuntu (1000) Remove: ubuntu-desktop:i386 (1.361) Purge: unity:i386 (7.4.0+16.04.20160715-0ubuntu1) DpkgTerminalLog: Removing ubuntu-desktop (1.361) ... dpkg: error processing package unity (--purge): package is in a very bad inconsistent state; you should reinstall it before attempting a removal DuplicateSignature: package:unity:7.4.0+16.04.20160715-0ubuntu1 Removing ubuntu-desktop (1.361) ... dpkg: error processing package unity (--purge): package is in a very bad inconsistent state; you should ErrorMessage: package is in a very bad inconsistent state; you should reinstall it before attempting a removal GraphicsCard: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor Graphics Controller [8086:0152] (rev 09) (prog-if 00 [VGA controller]) Subsystem: Micro-Star International Co., Ltd. [MSI] Xeon E3-1200 v2/3rd Gen Core processor Graphics Controller [1462:2111] GsettingsChanges: InstallationDate: Installed on 2013-07-27 (1397 days ago) InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release i386 (20130213) MachineType: MSI MS-7758 ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-31-generic root=UUID=ec906892-8bdf-4881-89cb-3659308f0daf ro quiet splash vt.handoff=7 RelatedPackageVersions: dpkg 1.18.4ubuntu1.1 apt 1.2.19 SourcePackage: unity Title: package unity 7.4.0+16.04.20160715-0ubuntu1 failed to install/upgrade: package is in a very bad inconsistent state; you should reinstall it before attempting a removal UpgradeStatus: Upgraded to xenial on 2016-08-07 (290 days ago) dmi.bios.date: 03/16/2013 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: V1.8 dmi.board.asset.tag: To be filled by O.E.M. dmi.board.name: ZH77A-G43 Plus (MS-7758) dmi.board.vendor: MSI dmi.board.version: 1.0 dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: MSI dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV1.8:bd03/16/2013:svnMSI:pnMS-7758:pvr1.0:rvnMSI:rnZH77A-G43Plus(MS-7758):rvr1.0:cvnMSI:ct3:cvr1.0: dmi.product.name: MS-7758 dmi.product.version: 1.0 dmi.sys.vendor: MSI version.compiz: compiz 1:0.9.12.2+16.04.20160823-0ubuntu1 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 2:1.18.4-0ubuntu0.2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20160325-1ubuntu1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2 xserver.bootTime: Wed May 24 22:36:48 2017 xserver.configfile: default xserver.devices: input Power Button KEYBOARD, id 6 input Video Bus KEYBOARD, id 7 input Power Button KEYBOARD, id 8 input Logitech USB Optical Mouse MOUSE, id 9 input AT Translated Set 2 keyboard KEYBOARD, id 10 xserver.errors: xserver.logfile: /var/log/Xorg.0.log xserver.outputs: xserver.version: 2:1.18.4-0ubuntu0.2 ** Affects: unity (Ubuntu) Importance: Undecided Status: New ** Tags: apport-package compiz-0.9 i386 need-duplicate-check ubuntu xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1693259 Title: package unity 7.4.0+16.04.20160715-0ubuntu1 failed to install/upgrade: package is in a very bad inconsistent state; you should reinstall it before attempting a removal To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1693259/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs