I seem to have a similar problem with flashback: It shows up when I try to install (or as part of the distribution upgrade) Here's a log of my attempts for fix it.
root@ronis-netbook:~# apt-get upgrade Reading package lists... Done Building dependency tree... 50% Reading state information... Done You might want to run 'apt-get -f install' to correct these. The following packages have unmet dependencies: gnome-flashback : Depends: gnome-flashback-common (= 3.14.0-3ubuntu11) but it is not installed E: Unmet dependencies. Try using -f. root@ronis-netbook:~# apt-get -f install Reading package lists... Done Building dependency tree... 50% Reading state information... Done Correcting dependencies... Done The following extra packages will be installed: gnome-flashback-common The following NEW packages will be installed: gnome-flashback-common 0 upgraded, 1 newly installed, 0 to remove and 27 not upgraded. 2014 not fully installed or removed. Need to get 0 B/19.9 kB of archives. After this operation, 234 kB of additional disk space will be used. Do you want to continue? [Y/n] (Reading database ... 1973726 files and directories currently installed.) Preparing to unpack .../gnome-flashback-common_3.14.0-3ubuntu11_all.deb ... Unpacking gnome-flashback-common (3.14.0-3ubuntu11) ... dpkg: error processing archive /var/cache/apt/archives/gnome-flashback-common_3.14.0-3ubuntu11_all.deb (--unpack): trying to overwrite '/etc/xdg/menus/gnome-flashback-applications.menu', which is also in package gnome-menus 3.10.1-0ubuntu5 Errors were encountered while processing: /var/cache/apt/archives/gnome-flashback-common_3.14.0-3ubuntu11_all.deb E: Sub-process /usr/bin/dpkg returned an error code (1) I found a similar problem which seemed bo be fixed by (re)installing compiz root@ronis-netbook:~# apt-geKet install compiz Reading package lists... Done Building dependency tree... 50% Reading state information... Done You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: compiz : Depends: compiz-gnome but it is not going to be installed gnome-flashback : Depends: gnome-flashback-common (= 3.14.0-3ubuntu11) but it is not going to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution). root@ronis-netbook:~# apt-get -f install Reading package lists... Done Building dependency tree... 50% Reading state information... Done Correcting dependencies... Done The following extra packages will be installed: gnome-flashback-common The following NEW packages will be installed: gnome-flashback-common 0 upgraded, 1 newly installed, 0 to remove and 27 not upgraded. 2014 not fully installed or removed. Need to get 0 B/19.9 kB of archives. After this operation, 234 kB of additional disk space will be used. Do you want to continue? [Y/n] (Reading database ... 1973726 files and directories currently installed.) Preparing to unpack .../gnome-flashback-common_3.14.0-3ubuntu11_all.deb ... Unpacking gnome-flashback-common (3.14.0-3ubuntu11) ... dpkg: error processing archive /var/cache/apt/archives/gnome-flashback-common_3.14.0-3ubuntu11_all.deb (--unpack): trying to overwrite '/etc/xdg/menus/gnome-flashback-applications.menu', which is also in package gnome-menus 3.10.1-0ubuntu5 Errors were encountered while processing: /var/cache/apt/archives/gnome-flashback-common_3.14.0-3ubuntu11_all.deb E: Sub-process /usr/bin/dpkg returned an error code (1) root@ronis-netbook:~# apt-get -f install Reading package lists... Done Building dependency tree... 97% Reading state information... Done Correcting dependencies... Done The following extra packages will be installed: gnome-flashback-common The following NEW packages will be installed: gnome-flashback-common 0 upgraded, 1 newly installed, 0 to remove and 27 not upgraded. 2014 not fully installed or removed. Need to get 0 B/19.9 kB of archives. After this operation, 234 kB of additional disk space will be used. Do you want to continue? [Y/n] (Reading database ... 1973726 files and directories currently installed.) Preparing to unpack .../gnome-flashback-common_3.14.0-3ubuntu11_all.deb ... Unpacking gnome-flashback-common (3.14.0-3ubuntu11) ... dpkg: error processing archive /var/cache/apt/archives/gnome-flashback-common_3.14.0-3ubuntu11_all.deb (--unpack): trying to overwrite '/etc/xdg/menus/gnome-flashback-applications.menu', which is also in package gnome-menus 3.10.1-0ubuntu5 Errors were encountered while processing: /var/cache/apt/archives/gnome-flashback-common_3.14.0-3ubuntu11_all.deb E: Sub-process /usr/bin/dpkg returned an error code (1) root@ronis-netbook:~# a@pt-get install compiz Reading package lists... Done Building dependency tree... 50% Reading state information... Done You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: compiz : Depends: compiz-gnome but it is not going to be installed gnome-flashback : Depends: gnome-flashback-common (= 3.14.0-3ubuntu11) but it is not going to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution). root@ronis-netbook:~# apt-get install compiz-gnome Reading package lists... Done Building dependency tree... 50% Reading state information... Done You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: compiz-gnome : Depends: libcompizconfig0 but it is not going to be installed Depends: gconf2 (>= 2.28.1-2) but it is not going to be installed gnome-flashback : Depends: gnome-flashback-common (= 3.14.0-3ubuntu11) but it is not going to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution). root@ronis-netbook:~# ~apt-get autoremove Reading package lists... Done Building dependency tree... 50% Reading state information... Done You might want to run 'apt-get -f install' to correct these. The following packages have unmet dependencies: gnome-flashback : Depends: gnome-flashback-common (= 3.14.0-3ubuntu11) but it is not installed E: Unmet dependencies. Try using -f. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to unity in Ubuntu. https://bugs.launchpad.net/bugs/1292396 Title: After upgrade Unity session is broken Status in Unity: Confirmed Status in unity package in Ubuntu: Triaged Bug description: After yesterdays upgrade, when I log in into default session (Unity), there was no Panel, no Launcher, no windows decorations. there was Yesterday's upgrade was related to Unity packadges, so after reboot I logged into Gnome Flashback session - works as expected. Reboot - and there is no Unity session in Unity Greeter. I logged again into Flashback and launch Synaptic. I saw, that Unity package wasn't even installed, so I installed it - Unity session shows up in Greeter, but thaths all, still no Panel, no Launcher, etc. In CCSM Unity plugin was uncheck. I was able to launch window decorations, but launching Unity plugin caused CCSC crash. In another try there was info, that launch of Unity plugin is in conflict with Window Decorations plugin, but somehow launching Unity plugin does nothing, but Compiz crash (https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1292393). ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: unity 7.1.2+14.04.20140313-0ubuntu1 ProcVersionSignature: Ubuntu 3.13.0-17.37-generic 3.13.6 Uname: Linux 3.13.0-17-generic i686 .tmp.unity.support.test.0: ApportVersion: 2.13.3-0ubuntu1 Architecture: i386 CompizPlugins: [core,composite,opengl,compiztoolbox,decor,resize,gnomecompat,regex,imgpng,move,commands,mousepoll,vpswitch,animation,place,wall,unitymtgrabhandles,grid,wobbly,fade,expo,workarounds,session,scale,ezoom] CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true CurrentDesktop: Unity Date: Fri Mar 14 08:26:59 2014 DistUpgraded: 2013-11-26 21:17:59,613 DEBUG enabling apt cron job DistroCodename: trusty DistroVariant: ubuntu GraphicsCard: Advanced Micro Devices, Inc. [AMD/ATI] RS880 [Radeon HD 4200] [1002:9710] (prog-if 00 [VGA controller]) Subsystem: Micro-Star International Co., Ltd. Device [1462:7576] MachineType: MICRO-STAR INTERNATIONAL CO.,LTD MS-7576 ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-17-generic root=UUID=23985ff5-112f-4dab-9da1-5c21397013fe ro splash quiet vt.handoff=7 SourcePackage: unity UpgradeStatus: Upgraded to trusty on 2013-11-26 (107 days ago) dmi.bios.date: 11/27/2010 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: V3.9 dmi.board.asset.tag: To Be Filled By O.E.M. dmi.board.name: 785G-E53 (MS-7576) dmi.board.vendor: MICRO-STAR INTERNATIONAL CO.,LTD dmi.board.version: 1.0 dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: MICRO-STAR INTERNATIONAL CO.,LTD dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV3.9:bd11/27/2010:svnMICRO-STARINTERNATIONALCO.,LTD:pnMS-7576:pvr1.0:rvnMICRO-STARINTERNATIONALCO.,LTD:rn785G-E53(MS-7576):rvr1.0:cvnMICRO-STARINTERNATIONALCO.,LTD:ct3:cvr1.0: dmi.product.name: MS-7576 dmi.product.version: 1.0 dmi.sys.vendor: MICRO-STAR INTERNATIONAL CO.,LTD version.compiz: compiz 1:0.9.11+14.04.20140310-0ubuntu1 version.libdrm2: libdrm2 2.4.52-1 version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0-1ubuntu1 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0-1ubuntu1 version.xserver-xorg-core: xserver-xorg-core 2:1.15.0-1ubuntu7 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2 xserver.bootTime: Fri Mar 14 08:13:38 2014 xserver.configfile: default xserver.devices: input Power Button KEYBOARD, id 6 input Power Button KEYBOARD, id 7 input Microsoft Microsoft® 2.4GHz Transceiver v8.0 KEYBOARD, id 8 input Microsoft Microsoft® 2.4GHz Transceiver v8.0 KEYBOARD, id 9 input Microsoft Microsoft® 2.4GHz Transceiver v8.0 KEYBOARD, id 10 xserver.errors: xserver.logfile: /var/log/Xorg.0.log xserver.version: 2:1.15.0-1ubuntu7 xserver.video_driver: radeon To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/1292396/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp