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Thread: libpng packages broken and resist being fixed!?!

  1. #21
    Join Date
    Jun 2010
    Beans
    507

    Re: libpng packages broken and resist being fixed!?!

    Quote Originally Posted by Impavidus View Post
    Have you tried removing the 32 bit libpng using dpkg?
    Code:
    sudo dpkg -r libpng12-0:i386
    dpkg can do such things even when that causes a package conflict, which may be the case. I guess you may have some arcane packages depending on 32 bit libraries. If you manage to remove the 32 bit libpng, it should be possible to upgrade the 64 bit version, then reinstall the 32 bit version.

    Keeping software from old releases may cause package conflicts. It looks like your system is quite dirty. Xenial is still supported for 10 months, so we try to help you, but I wouldn't invest too much time in an old system. And don't attempt to upgrade to the next release. When you want to move, make it a fresh install and skip 18.04.
    As I mentioned above, this is NOT possible to do. If you know some secret way to force its removal it let me know.

    $ sudo dpkg -r libpng12-0:i386
    [sudo] password for peter-and-crazybear:
    dpkg: dependency problems prevent removal of libpng12-0:i386:
    libqtwebkit4:i386 depends on libpng12-0 (>= 1.2.13-4).
    libsdl-image1.2:i386 depends on libpng12-0 (>= 1.2.13-4).
    gstreamer0.10-plugins-good:i386 depends on libpng12-0 (>= 1.2.13-4).
    libcupsfilters1:i386 depends on libpng12-0 (>= 1.2.13-4).
    libfreetype6:i386 depends on libpng12-0 (>= 1.2.13-4).
    libgd3:i386 depends on libpng12-0 (>= 1.2.13-4).
    libgdk-pixbuf2.0-0:i386 depends on libpng12-0 (>= 1.2.13-4).
    libqtgui4:i386 depends on libpng12-0 (>= 1.2.13-4).
    libcairo2:i386 depends on libpng12-0 (>= 1.2.13-4).

    dpkg: error processing package libpng12-0:i386 (--remove):
    dependency problems - not removing
    Errors were encountered while processing:
    libpng12-0:i386
    Last edited by crazybear; June 24th, 2020 at 06:10 AM.

  2. #22
    Join Date
    Dec 2009
    Location
    Fareham, UK
    Beans
    2,346
    Distro
    Ubuntu

    Re: libpng packages broken and resist being fixed!?!

    Quote Originally Posted by crazybear View Post
    As I said above, in the /etc/apt/sources.list.d there are many trusty mentions and lots of xenial too. I do NOT know how to copy and post it here - I've tried and it resists being copied. Should there be no trusty sources listed and if so how to I remove them or change them all to xenial?
    Code:
    ls /etc/apt/sources.list.d
    will list those files.
    Careful use of 'sudo rm /etc/apt/sources.list.d/"nameoffile"' will remove that file. Not so careful use of 'sudo rm' will do serious harm to your system.
    Renaming of files outside of the Home directory I have no idea either.

  3. #23
    Join Date
    Jun 2010
    Beans
    507

    Re: libpng packages broken and resist being fixed!?!

    Quote Originally Posted by westie457 View Post
    Code:
    ls /etc/apt/sources.list.d
    will list those files.
    Careful use of 'sudo rm /etc/apt/sources.list.d/"nameoffile"' will remove that file. Not so careful use of 'sudo rm' will do serious harm to your system.
    Renaming of files outside of the Home directory I have no idea either.
    The list is VERY long and there are MANY trusty on it. Do I want to delete all 'trusty'? Could it cause programs I use stop working? If all should be removed is there a way to do so with ONE command?...doing it individually will take hours....but my first question is the more important. Why does each seem to have two or three versions - one with .save on it? some with .distUpgrade? Some few don't mention trusty nor xenial.

    Code:
    $ ls /etc/apt/sources.list.d
    abiword-stable-ubuntu-ppa-xenial.list
    abiword-stable-ubuntu-ppa-xenial.list.save
    alexlarsson-ubuntu-flatpak-xenial.list
    alexlarsson-ubuntu-flatpak-xenial.list.save
    alexmurray-indicator-sensors-daily-trusty.list
    alexmurray-indicator-sensors-daily-trusty.list.distUpgrade
    alexmurray-indicator-sensors-daily-trusty.list.save
    alexmurray-indicator-sensors-trusty.list
    alexmurray-indicator-sensors-trusty.list.distUpgrade
    alexmurray-indicator-sensors-trusty.list.save
    alexmurray-ubuntu-indicator-sensors-xenial.list
    alexmurray-ubuntu-indicator-sensors-xenial.list.save
    AllToMP3_alltomp3.list
    AllToMP3_alltomp3.list.save
    apandada1-ubuntu-typhoon-xenial.list
    apandada1-ubuntu-typhoon-xenial.list.save
    atareao-atareao-trusty.list
    atareao-atareao-trusty.list.distUpgrade
    atareao-atareao-trusty.list.save
    atareao-ubuntu-atareao-xenial.list
    atareao-ubuntu-atareao-xenial.list.save
    audacity-team-ubuntu-daily-xenial.list
    audacity-team-ubuntu-daily-xenial.list.save
    a-v-shkop-ubuntu-chromium-xenial.list
    a-v-shkop-ubuntu-chromium-xenial.list.save
    banshee-team-ppa-trusty.list
    banshee-team-ppa-trusty.list.distUpgrade
    banshee-team-ppa-trusty.list.save
    b-eltzner-qpdfview-trusty.list
    b-eltzner-qpdfview-trusty.list.distUpgrade
    b-eltzner-qpdfview-trusty.list.save
    bhdouglass-indicator-remindor-trusty.list
    bhdouglass-indicator-remindor-trusty.list.distUpgrade
    bhdouglass-indicator-remindor-trusty.list.save
    bhdouglass-ubuntu-indicator-remindor-xenial.list
    bhdouglass-ubuntu-indicator-remindor-xenial.list.save
    brave.list
    brave.list.save
    caffeine-developers-caffeine-dev-trusty.list
    caffeine-developers-caffeine-dev-trusty.list.distUpgrade
    caffeine-developers-caffeine-dev-trusty.list.save
    caffeine-developers-ppa-trusty.list
    caffeine-developers-ppa-trusty.list.distUpgrade
    caffeine-developers-ppa-trusty.list.save
    cfgnunes-ppa-trusty.list
    cfgnunes-ppa-trusty.list.distUpgrade
    cfgnunes-ppa-trusty.list.save
    cfgnunes-ubuntu-ppa-xenial.list
    cfgnunes-ubuntu-ppa-xenial.list.save
    danielrichter2007-grub-customizer-trusty.list
    danielrichter2007-grub-customizer-trusty.list.distUpgrade
    danielrichter2007-grub-customizer-trusty.list.save
    deluge-team-ppa-trusty.list
    deluge-team-ppa-trusty.list.distUpgrade
    deluge-team-ppa-trusty.list.save
    deluge-team-ubuntu-ppa-xenial.list
    deluge-team-ubuntu-ppa-xenial.list.save
    do-core-ubuntu-ppa-xenial.list
    do-core-ubuntu-ppa-xenial.list.save
    ehoover-compholio-trusty.list
    ehoover-compholio-trusty.list.distUpgrade
    ehoover-compholio-trusty.list.save
    embrosyn-ubuntu-cinnamon-xenial.list
    embrosyn-ubuntu-cinnamon-xenial.list.save
    extra.list
    extra.list.save
    fixnix-ubuntu-netspeed-xenial.list
    fixnix-ubuntu-netspeed-xenial.list.save
    freecad-maintainers-ubuntu-freecad-daily-xenial.list
    freecad-maintainers-ubuntu-freecad-daily-xenial.list.save
    freecad-maintainers-ubuntu-freecad-stable-xenial.list
    freecad-maintainers-ubuntu-freecad-stable-xenial.list.save
    freetuxtv-ubuntu-freetuxtv-dev-xenial.list
    freetuxtv-ubuntu-freetuxtv-dev-xenial.list.save
    george-edison55-ubuntu-nitroshare-xenial.list
    george-edison55-ubuntu-nitroshare-xenial.list.save
    getdeb.list
    getdeb.list.distUpgrade
    getdeb.list.save
    gezakovacs-ubuntu-ppa-xenial.list
    gezakovacs-ubuntu-ppa-xenial.list.save
    gnac-team-ubuntu-ppa-xenial.list
    gnac-team-ubuntu-ppa-xenial.list.save
    gnome3-team-gnome3-trusty.list
    gnome3-team-gnome3-trusty.list.distUpgrade
    gnome3-team-gnome3-trusty.list.save
    gnome3-team-ubuntu-gnome3-xenial.list
    gnome3-team-ubuntu-gnome3-xenial.list.save
    google-earth.list
    google-earth.list.save
    google-earth-pro.list
    google-earth-pro.list.save
    graphics-drivers-ubuntu-ppa-xenial.list
    graphics-drivers-ubuntu-ppa-xenial.list.save
    heyarje-ubuntu-libav-11-xenial.list
    heyarje-ubuntu-libav-11-xenial.list.save
    hsoft-ubuntu-ppa-xenial.list
    hsoft-ubuntu-ppa-xenial.list.save
    inameiname-ubuntu-stable-xenial.list
    inameiname-ubuntu-stable-xenial.list.save
    indicator-multiload-stable-daily-trusty.list
    indicator-multiload-stable-daily-trusty.list.distUpgrade
    indicator-multiload-stable-daily-trusty.list.save
    jd-team-ubuntu-jdownloader-xenial.list
    jd-team-ubuntu-jdownloader-xenial.list.save
    jfi-psensor-unstable-trusty.list
    jfi-psensor-unstable-trusty.list.distUpgrade
    jfi-psensor-unstable-trusty.list.save
    jonathonf-ubuntu-vlc-xenial.list
    jonathonf-ubuntu-vlc-xenial.list.save
    jre-phoenix-ppa-trusty.list
    jre-phoenix-ppa-trusty.list.distUpgrade
    jre-phoenix-ppa-trusty.list.save
    kazam-team-ubuntu-unstable-series-xenial.list
    kazam-team-ubuntu-unstable-series-xenial.list.save
    kazam-team-unstable-series-trusty.list
    kazam-team-unstable-series-trusty.list.distUpgrade
    kazam-team-unstable-series-trusty.list.save
    kokoto-java-ubuntu-omgubuntu-stuff-xenial.list
    kokoto-java-ubuntu-omgubuntu-stuff-xenial.list.save
    libdvdcss.list
    libdvdcss.list.distUpgrade
    libdvdcss.list.save
    libratbag-piper-ubuntu-piper-libratbag-git-xenial.list
    libratbag-piper-ubuntu-piper-libratbag-git-xenial.list.save
    libreoffice-ppa-trusty.list
    libreoffice-ppa-trusty.list.distUpgrade
    libreoffice-ppa-trusty.list.save
    libreoffice-ubuntu-libreoffice-3-5-xenial.list
    libreoffice-ubuntu-libreoffice-3-5-xenial.list.save
    libreoffice-ubuntu-libreoffice-4-4-xenial.list
    libreoffice-ubuntu-libreoffice-4-4-xenial.list.save
    linuxuprising-ubuntu-apps-xenial.list
    linuxuprising-ubuntu-apps-xenial.list.save
    lubuntu-desktop-ubuntu-ppa-xenial.list
    lubuntu-desktop-ubuntu-ppa-xenial.list.save
    matrix-riot-im.list
    matrix-riot-im.list.save
    mc3man-mplayer-test-trusty.list
    mc3man-mplayer-test-trusty.list.distUpgrade
    mc3man-mplayer-test-trusty.list.save
    mc3man-trusty-media-trusty.list
    mc3man-trusty-media-trusty.list.distUpgrade
    mc3man-trusty-media-trusty.list.save
    michael-gruz-canon-trunk-trusty.list
    michael-gruz-canon-trunk-trusty.list.distUpgrade
    michael-gruz-canon-trunk-trusty.list.save
    michael-gruz-ubuntu-canon-xenial.list
    michael-gruz-ubuntu-canon-xenial.list.save
    mixxx-mixxx-trusty.list
    mixxx-mixxx-trusty.list.distUpgrade
    mixxx-mixxx-trusty.list.save
    mixxx-ubuntu-mixxx-xenial.list
    mixxx-ubuntu-mixxx-xenial.list.save
    mizuno-as-ubuntu-gimp-painter-xenial.list
    mizuno-as-ubuntu-gimp-painter-xenial.list.save
    muravjov-il-ubuntu-ppa-xenial.list
    muravjov-il-ubuntu-ppa-xenial.list.save
    nextcloud-devs-ubuntu-client-xenial.list
    nextcloud-devs-ubuntu-client-xenial.list.save
    nilarimogard-ubuntu-webupd8-xenial.list
    nilarimogard-ubuntu-webupd8-xenial.list.save
    nilarimogard-webupd8-trusty.list
    nilarimogard-webupd8-trusty.list.distUpgrade
    nilarimogard-webupd8-trusty.list.save
    n-muench-programs-ppa-trusty.list
    n-muench-programs-ppa-trusty.list.distUpgrade
    n-muench-programs-ppa-trusty.list.save
    n-muench-ubuntu-calibre2-xenial.list
    n-muench-ubuntu-calibre2-xenial.list.save
    n-muench-ubuntu-programs-ppa-xenial.list
    n-muench-ubuntu-programs-ppa-xenial.list.save
    noobslab-indicators-trusty.list
    noobslab-indicators-trusty.list.distUpgrade
    noobslab-indicators-trusty.list.save
    openshot_developers-ubuntu-ppa-xenial.list
    openshot_developers-ubuntu-ppa-xenial.list.save
    opera-developer.list
    opera-developer.list.distUpgrade
    opera-developer.list.save
    osmoma-audio-recorder-trusty.list
    osmoma-audio-recorder-trusty.list.distUpgrade
    osmoma-audio-recorder-trusty.list.save
    otto-kesselgulasch-gimp-trusty.list
    otto-kesselgulasch-gimp-trusty.list.distUpgrade
    otto-kesselgulasch-gimp-trusty.list.save
    pascal-bach-ubuntu-unison-xenial.list
    pascal-bach-ubuntu-unison-xenial.list.save
    paulo-miguel-dias-ubuntu-pkppa-xenial.list
    paulo-miguel-dias-ubuntu-pkppa-xenial.list.save
    pidgin-developers-ppa-trusty.list
    pidgin-developers-ppa-trusty.list.save
    pidgin-ppa.list
    pidgin-ppa.list.distUpgrade
    pidgin-ppa.list.save
    playdeb.list
    playdeb.list.distUpgrade
    playdeb.list.save
    plushuang-tw-ubuntu-uget-stable-xenial.list
    plushuang-tw-ubuntu-uget-stable-xenial.list.save
    plushuang-tw-uget-stable-trusty.list
    plushuang-tw-uget-stable-trusty.list.distUpgrade
    plushuang-tw-uget-stable-trusty.list.save
    private-ppa.launchpad.net_commercial-ppa-uploaders_allvideodownloader_ubuntu.list
    private-ppa.launchpad.net_commercial-ppa-uploaders_allvideodownloader_ubuntu.list.distUpgrade
    private-ppa.launchpad.net_commercial-ppa-uploaders_allvideodownloader_ubuntu.list.save
    private-ppa.launchpad.net_commercial-ppa-uploaders_fragment_ubuntu.list
    private-ppa.launchpad.net_commercial-ppa-uploaders_fragment_ubuntu.list.distUpgrade
    private-ppa.launchpad.net_commercial-ppa-uploaders_fragment_ubuntu.list.save
    private-ppa.launchpad.net_commercial-ppa-uploaders_master-pdf-editor_ubuntu.list
    private-ppa.launchpad.net_commercial-ppa-uploaders_master-pdf-editor_ubuntu.list.distUpgrade
    private-ppa.launchpad.net_commercial-ppa-uploaders_master-pdf-editor_ubuntu.list.save
    private-ppa.launchpad.net_commercial-ppa-uploaders_outreel_ubuntu.list
    private-ppa.launchpad.net_commercial-ppa-uploaders_outreel_ubuntu.list.distUpgrade
    private-ppa.launchpad.net_commercial-ppa-uploaders_outreel_ubuntu.list.save
    ring-nightly-man.list
    ring-nightly-man.list.save
    rolfbensch-ubuntu-sane-git-xenial.list
    rolfbensch-ubuntu-sane-git-xenial.list.save
    samoilov-lex-ubuntu-aftl-stable-xenial.list
    samoilov-lex-ubuntu-aftl-stable-xenial.list.save
    screenlets-ppa-trusty.list
    screenlets-ppa-trusty.list.distUpgrade
    screenlets-ppa-trusty.list.save
    serge-rider-ubuntu-dbeaver-ce-xenial.list
    serge-rider-ubuntu-dbeaver-ce-xenial.list.save
    shnatsel-ubuntu-gimp-paint-studio-xenial.list
    shnatsel-ubuntu-gimp-paint-studio-xenial.list.save
    shutter-ppa-trusty.list
    shutter-ppa-trusty.list.distUpgrade
    shutter-ppa-trusty.list.save
    skunk-ubuntu-pepper-flash-xenial.list
    skunk-ubuntu-pepper-flash-xenial.list.save
    skype-stable.list
    skype-stable.list.save
    skype-wrapper-ppa-trusty.list
    skype-wrapper-ppa-trusty.list.distUpgrade
    skype-wrapper-ppa-trusty.list.save
    sneetsher-ubuntu-copies-xenial.list
    sneetsher-ubuntu-copies-xenial.list.save
    stebbins-handbrake-snapshots-trusty.list
    stebbins-handbrake-snapshots-trusty.list.distUpgrade
    stebbins-handbrake-snapshots-trusty.list.save
    team-xbmc-ppa-trusty.list
    team-xbmc-ppa-trusty.list.distUpgrade
    team-xbmc-ppa-trusty.list.save
    team-xbmc-ubuntu-ppa-xenial.list
    team-xbmc-ubuntu-ppa-xenial.list.save
    teejee2008-ppa-trusty.list
    teejee2008-ppa-trusty.list.distUpgrade
    teejee2008-ppa-trusty.list.save
    teejee2008-ubuntu-ppa-xenial.list
    teejee2008-ubuntu-ppa-xenial.list.save
    telepathy-ubuntu-ppa-xenial.list
    telepathy-ubuntu-ppa-xenial.list.save
    thebernmeister-ppa-trusty.list
    thebernmeister-ppa-trusty.list.distUpgrade
    thebernmeister-ppa-trusty.list.save
    thebernmeister-ubuntu-ppa-xenial.list
    thebernmeister-ubuntu-ppa-xenial.list.save
    thierry-f-ubuntu-fork-michael-gruz-xenial.list
    thierry-f-ubuntu-fork-michael-gruz-xenial.list.save
    thomas_tsai-ubuntu-ubuntu-tuxboot-xenial.list
    thomas_tsai-ubuntu-ubuntu-tuxboot-xenial.list.save
    tiheum-equinox-trusty.list
    tiheum-equinox-trusty.list.distUpgrade
    tiheum-equinox-trusty.list.save
    transmissionbt-ppa-trusty.list
    transmissionbt-ppa-trusty.list.distUpgrade
    transmissionbt-ppa-trusty.list.save
    transmissionbt-ubuntu-ppa-xenial.list
    transmissionbt-ubuntu-ppa-xenial.list.save
    tualatrix-ppa-trusty.list
    tualatrix-ppa-trusty.list.distUpgrade
    tualatrix-ppa-trusty.list.save
    tualatrix-ubuntu-ppa-xenial.list
    tualatrix-ubuntu-ppa-xenial.list.save
    ubuntu-audio-dev-alsa-daily-trusty.list
    ubuntu-audio-dev-alsa-daily-trusty.list.distUpgrade
    ubuntu-audio-dev-alsa-daily-trusty.list.save
    ubuntu-audio-dev-ppa-trusty.list
    ubuntu-audio-dev-ppa-trusty.list.distUpgrade
    ubuntu-audio-dev-ppa-trusty.list.save
    ubuntuhandbook1-ubuntu-audacity-xenial.list
    ubuntuhandbook1-ubuntu-audacity-xenial.list.save
    ubuntu-mozilla-security-ppa-trusty.list
    ubuntu-mozilla-security-ppa-trusty.list.distUpgrade
    ubuntu-mozilla-security-ppa-trusty.list.save
    ubuntu-sdk-team-ppa-trusty.list
    ubuntu-sdk-team-ppa-trusty.list.distUpgrade
    ubuntu-sdk-team-ppa-trusty.list.save
    ubuntu-sdk-team-ubuntu-ppa-xenial.list
    ubuntu-sdk-team-ubuntu-ppa-xenial.list.save
    ubuntu-toolchain-r-ubuntu-test-xenial.list
    ubuntu-toolchain-r-ubuntu-test-xenial.list.save
    ubuntu-wine-ppa-trusty.list
    ubuntu-wine-ppa-trusty.list.distUpgrade
    ubuntu-wine-ppa-trusty.list.save
    upubuntu-com-ubuntu-chat-xenial.list
    upubuntu-com-ubuntu-chat-xenial.list.save
    vala-team-ubuntu-ppa-xenial.list
    vala-team-ubuntu-ppa-xenial.list.save
    videolan-stable-daily-trusty.list
    videolan-stable-daily-trusty.list.distUpgrade
    videolan-stable-daily-trusty.list.save
    videolan-ubuntu-stable-daily-xenial.list
    videolan-ubuntu-stable-daily-xenial.list.save
    vikoadi-ppa-trusty.list
    vikoadi-ppa-trusty.list.distUpgrade
    vikoadi-ppa-trusty.list.save
    vikoadi-ubuntu-ppa-xenial.list
    vikoadi-ubuntu-ppa-xenial.list.save
    vivaldi.list
    vivaldi.list.save
    webupd8team-gthumb-trusty.list
    webupd8team-gthumb-trusty.list.distUpgrade
    webupd8team-gthumb-trusty.list.save
    webupd8team-java-trusty.list
    webupd8team-java-trusty.list.distUpgrade
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    webupd8team-pulseaudio-eq-trusty.list
    webupd8team-pulseaudio-eq-trusty.list.distUpgrade
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    webupd8team-tribler-trusty.list
    webupd8team-tribler-trusty.list.distUpgrade
    webupd8team-tribler-trusty.list.save
    webupd8team-ubuntu-java-xenial.list
    webupd8team-ubuntu-java-xenial.list.save
    webupd8team-ubuntu-rhythmbox-xenial.list
    webupd8team-ubuntu-rhythmbox-xenial.list.save
    webupd8team-ubuntu-y-ppa-manager-xenial.list
    webupd8team-ubuntu-y-ppa-manager-xenial.list.save
    webupd8team-y-ppa-manager-trusty.list
    webupd8team-y-ppa-manager-trusty.list.distUpgrade
    webupd8team-y-ppa-manager-trusty.list.save
    whatsie.list
    whatsie.list.save
    xenial-partner.list
    xenial-partner.list.save
    yannubuntu-ubuntu-boot-repair-xenial.list
    yannubuntu-ubuntu-boot-repair-xenial.list.save

  4. #24
    Join Date
    Dec 2009
    Location
    Fareham, UK
    Beans
    2,346
    Distro
    Ubuntu

    Re: libpng packages broken and resist being fixed!?!

    Probably the easiest way here is open 'Software & Updates' > 'Other Software' tab.
    Look through the list and remove the check mark against all lines containing 'Trusty'.
    When done click Close and reload the repository information.
    Open a terminal
    Code:
    sudo apt update #not strictly necessary but never hurts
    sudo apt upgrade
    Post the results please.

    With a lot of luck and keeping fingers crossed you might have a normal working system again.
    If not the error messages might be different.

  5. #25
    Join Date
    Jun 2010
    Beans
    507

    Re: libpng packages broken and resist being fixed!?!

    I had long ago unchecked all sources that mentioned trusty!!!!!
    I just ran your two lines, but no success. Thanks, but any other ideas?


    Code:
    $ sudo apt update #not strictly necessary but never hurts
    Ign:1 http://dl.google.com/linux/earth/deb stable InRelease                    
    Get:2 http://dl.google.com/linux/earth/deb stable Release [933 B]              
    Err:3 http://dl.google.com/linux/earth/deb stable Release.gpg                  
      Bad header line Bad header data [IP: 172.217.23.206 80]
    Get:4 http://security.ubuntu.com/ubuntu xenial-security InRelease [109 kB]     
    Hit:5 http://download.virtualbox.org/virtualbox/debian xenial InRelease        
    Hit:6 http://archive.canonical.com/ubuntu xenial InRelease                     
    Get:7 http://deb.opera.com/opera-developer stable InRelease [2,591 B]          
    Ign:8 http://repo.vivaldi.com/stable/deb stable InRelease                      
    Hit:9 http://archive.ubuntu.com/ubuntu xenial InRelease                        
    Ign:10 http://dl.bintray.com/aluxian/deb stable InRelease                      
    Ign:11 http://ppa.launchpad.net/a-v-shkop/chromium/ubuntu xenial InRelease     
    Hit:12 http://repo.vivaldi.com/stable/deb stable Release                       
    Err:13 http://dl.bintray.com/aluxian/deb stable Release                        
      404  Not Found [IP: 35.156.26.54 80]
    Get:14 http://archive.ubuntu.com/ubuntu xenial-updates InRelease [109 kB]      
    Ign:15 http://ppa.launchpad.net/abiword-stable/ppa/ubuntu xenial InRelease     
    Get:16 http://archive.ubuntu.com/ubuntu xenial-backports InRelease [107 kB]    
    Hit:17 http://ppa.launchpad.net/alexlarsson/flatpak/ubuntu xenial InRelease    
    Hit:18 http://ppa.launchpad.net/apandada1/typhoon/ubuntu xenial InRelease      
    Err:7 http://deb.opera.com/opera-developer stable InRelease                   
      The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4B8EC3BAABDC4346
    Hit:19 https://repo.skype.com/deb stable InRelease                            
    Hit:20 http://ppa.launchpad.net/audacity-team/daily/ubuntu xenial InRelease  
    Hit:21 https://deb.torproject.org/torproject.org xenial InRelease            
    Hit:22 https://brave-browser-apt-release.s3.brave.com xenial InRelease       
    Ign:23 http://ppa.launchpad.net/banshee-team/ppa/ubuntu xenial InRelease     
    Hit:24 http://ppa.launchpad.net/danielrichter2007/grub-customizer/ubuntu xenial InRelease
    Ign:25 http://ppa.launchpad.net/do-core/ppa/ubuntu xenial InRelease          
    Hit:27 http://ppa.launchpad.net/embrosyn/cinnamon/ubuntu xenial InRelease
    Hit:28 http://ppa.launchpad.net/fixnix/netspeed/ubuntu xenial InRelease       
    Hit:30 http://ppa.launchpad.net/freecad-maintainers/freecad-daily/ubuntu xenial InRelease
    Hit:31 http://ppa.launchpad.net/freetuxtv/freetuxtv-dev/ubuntu xenial InRelease
    Hit:32 http://ppa.launchpad.net/george-edison55/nitroshare/ubuntu xenial InRelease
    Hit:33 http://ppa.launchpad.net/gezakovacs/ppa/ubuntu xenial InRelease        
    Ign:34 https://packagecloud.io/Enrico204/Whatsapp-Desktop/debian stretch InRelease
    Ign:35 http://ppa.launchpad.net/gnac-team/ppa/ubuntu xenial InRelease          
    Hit:36 http://ppa.launchpad.net/graphics-drivers/ppa/ubuntu xenial InRelease   
    Ign:37 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial InRelease       
    Hit:38 http://ppa.launchpad.net/hsoft/ppa/ubuntu xenial InRelease              
    Hit:39 http://ppa.launchpad.net/inameiname/stable/ubuntu xenial InRelease      
    Hit:40 http://ppa.launchpad.net/jd-team/jdownloader/ubuntu xenial InRelease    
    Ign:41 http://ppa.launchpad.net/jonathonf/vlc/ubuntu xenial InRelease
    Ign:42 http://ppa.launchpad.net/libratbag-piper/piper-libratbag-git/ubuntu xenial InRelease
    Ign:43 http://ppa.launchpad.net/libreoffice/libreoffice-3-5/ubuntu xenial InRelease
    Ign:44 http://ppa.launchpad.net/libreoffice/libreoffice-4-4/ubuntu xenial InRelease
    Hit:45 http://ppa.launchpad.net/linuxuprising/apps/ubuntu xenial InRelease     
    Hit:46 http://ppa.launchpad.net/lubuntu-desktop/ppa/ubuntu xenial InRelease    
    Ign:47 http://ppa.launchpad.net/michael-gruz/canon/ubuntu xenial InRelease     
    Err:29 https://riot.im/packages/debian xenial InRelease                        
      The following signatures couldn't be verified because the public key is not available: NO_PUBKEY C2850B265AC085BD
    Hit:48 https://packagecloud.io/AllToMP3/alltomp3/ubuntu xenial InRelease
    Ign:49 http://ppa.launchpad.net/mizuno-as/gimp-painter/ubuntu xenial InRelease
    Ign:50 http://ppa.launchpad.net/muravjov-il/ppa/ubuntu xenial InRelease
    Err:51 https://packagecloud.io/Enrico204/Whatsapp-Desktop/debian stretch Release
      404  Not Found
    Ign:52 http://ppa.launchpad.net/n-muench/calibre2/ubuntu xenial InRelease
    Hit:53 http://ppa.launchpad.net/nextcloud-devs/client/ubuntu xenial InRelease
    Ign:54 http://ppa.launchpad.net/pascal-bach/unison/ubuntu xenial InRelease
    Hit:55 http://ppa.launchpad.net/paulo-miguel-dias/pkppa/ubuntu xenial InRelease
    Ign:56 http://ppa.launchpad.net/pidgin-developers/ppa/ubuntu xenial InRelease  
    Hit:57 http://ppa.launchpad.net/rolfbensch/sane-git/ubuntu xenial InRelease    
    Hit:58 http://ppa.launchpad.net/samoilov-lex/aftl-stable/ubuntu xenial InRelease
    Hit:59 http://ppa.launchpad.net/serge-rider/dbeaver-ce/ubuntu xenial InRelease 
    Ign:60 http://ppa.launchpad.net/shnatsel/gimp-paint-studio/ubuntu xenial InRelease
    Ign:61 http://ppa.launchpad.net/skunk/pepper-flash/ubuntu xenial InRelease     
    Ign:62 http://ppa.launchpad.net/telepathy/ppa/ubuntu xenial InRelease          
    Hit:63 http://ppa.launchpad.net/thierry-f/fork-michael-gruz/ubuntu xenial InRelease
    Hit:64 http://ppa.launchpad.net/thomas.tsai/ubuntu-tuxboot/ubuntu xenial InRelease
    Hit:65 http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu xenial InRelease
    Hit:66 http://ppa.launchpad.net/ubuntuhandbook1/audacity/ubuntu xenial InRelease
    Ign:67 http://ppa.launchpad.net/upubuntu-com/chat/ubuntu xenial InRelease      
    Hit:68 http://ppa.launchpad.net/vala-team/ppa/ubuntu xenial InRelease
    Ign:69 http://ppa.launchpad.net/webupd8team/pulseaudio-eq/ubuntu xenial InRelease
    Ign:70 http://ppa.launchpad.net/webupd8team/rhythmbox/ubuntu xenial InRelease
    Hit:71 http://ppa.launchpad.net/yannubuntu/boot-repair/ubuntu xenial InRelease
    Err:72 http://ppa.launchpad.net/a-v-shkop/chromium/ubuntu xenial Release       
      404  Not Found [IP: 91.189.95.83 80]
    Err:73 http://ppa.launchpad.net/abiword-stable/ppa/ubuntu xenial Release       
      404  Not Found [IP: 91.189.95.83 80]
    Err:74 http://ppa.launchpad.net/banshee-team/ppa/ubuntu xenial Release         
      404  Not Found [IP: 91.189.95.83 80]
    Err:75 http://ppa.launchpad.net/do-core/ppa/ubuntu xenial Release              
      404  Not Found [IP: 91.189.95.83 80]
    Err:76 http://ppa.launchpad.net/gnac-team/ppa/ubuntu xenial Release
      404  Not Found [IP: 91.189.95.83 80]
    Err:77 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial Release         
      404  Not Found [IP: 91.189.95.83 80]
    Err:78 http://ppa.launchpad.net/jonathonf/vlc/ubuntu xenial Release            
      403  Forbidden [IP: 91.189.95.83 80]
    Err:79 http://ppa.launchpad.net/libratbag-piper/piper-libratbag-git/ubuntu xenial Release
      404  Not Found [IP: 91.189.95.83 80]
    Err:80 http://ppa.launchpad.net/libreoffice/libreoffice-3-5/ubuntu xenial Release
      403  Forbidden [IP: 91.189.95.83 80]
    Err:81 http://ppa.launchpad.net/libreoffice/libreoffice-4-4/ubuntu xenial Release
      403  Forbidden [IP: 91.189.95.83 80]
    Err:82 http://ppa.launchpad.net/michael-gruz/canon/ubuntu xenial Release       
      404  Not Found [IP: 91.189.95.83 80]
    Err:83 http://ppa.launchpad.net/mizuno-as/gimp-painter/ubuntu xenial Release   
      404  Not Found [IP: 91.189.95.83 80]
    Err:84 http://ppa.launchpad.net/muravjov-il/ppa/ubuntu xenial Release          
      404  Not Found [IP: 91.189.95.83 80]
    Err:85 http://ppa.launchpad.net/n-muench/calibre2/ubuntu xenial Release        
      404  Not Found [IP: 91.189.95.83 80]
    Err:86 http://ppa.launchpad.net/pascal-bach/unison/ubuntu xenial Release       
      404  Not Found [IP: 91.189.95.83 80]
    Err:87 http://ppa.launchpad.net/pidgin-developers/ppa/ubuntu xenial Release    
      404  Not Found [IP: 91.189.95.83 80]
    Err:88 http://ppa.launchpad.net/shnatsel/gimp-paint-studio/ubuntu xenial Release
      404  Not Found [IP: 91.189.95.83 80]
    Err:89 http://ppa.launchpad.net/skunk/pepper-flash/ubuntu xenial Release       
      404  Not Found [IP: 91.189.95.83 80]
    Err:90 http://ppa.launchpad.net/telepathy/ppa/ubuntu xenial Release            
      404  Not Found [IP: 91.189.95.83 80]
    Err:91 http://ppa.launchpad.net/upubuntu-com/chat/ubuntu xenial Release        
      404  Not Found [IP: 91.189.95.83 80]
    Err:92 http://ppa.launchpad.net/webupd8team/pulseaudio-eq/ubuntu xenial Release
      404  Not Found [IP: 91.189.95.83 80]
    Err:93 http://ppa.launchpad.net/webupd8team/rhythmbox/ubuntu xenial Release    
      404  Not Found [IP: 91.189.95.83 80]
    Reading package lists... Done                                                  
    E: The repository 'http://dl.google.com/linux/earth/deb stable Release' is no longer signed.
    N: Updating from such a repository can't be done securely, and is therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user configuration details.
    E: The repository 'http://dl.bintray.com/aluxian/deb stable Release' does not have a Release file.
    N: Updating from such a repository can't be done securely, and is therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user configuration details.
    W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://deb.opera.com/opera-developer stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4B8EC3BAABDC4346
    W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://riot.im/packages/debian xenial InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY C2850B265AC085BD
    E: The repository 'https://packagecloud.io/Enrico204/Whatsapp-Desktop/debian stretch Release' does not have a Release file.
    N: Updating from such a repository can't be done securely, and is therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user configuration details.
    E: The repository 'http://ppa.launchpad.net/a-v-shkop/chromium/ubuntu xenial Release' does not have a Release file.
    N: Updating from such a repository can't be done securely, and is therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user configuration details.
    E: The repository 'http://ppa.launchpad.net/abiword-stable/ppa/ubuntu xenial Release' does not have a Release file.
    N: Updating from such a repository can't be done securely, and is therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user configuration details.
    E: The repository 'http://ppa.launchpad.net/banshee-team/ppa/ubuntu xenial Release' does not have a Release file.
    N: Updating from such a repository can't be done securely, and is therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user configuration details.
    E: The repository 'http://ppa.launchpad.net/do-core/ppa/ubuntu xenial Release' does not have a Release file.
    N: Updating from such a repository can't be done securely, and is therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user configuration details.
    E: The repository 'http://ppa.launchpad.net/gnac-team/ppa/ubuntu xenial Release' does not have a Release file.
    N: Updating from such a repository can't be done securely, and is therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user configuration details.
    E: The repository 'http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial Release' does not have a Release file.
    N: Updating from such a repository can't be done securely, and is therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user configuration details.
    E: The repository 'http://ppa.launchpad.net/jonathonf/vlc/ubuntu xenial Release' does not have a Release file.
    N: Updating from such a repository can't be done securely, and is therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user configuration details.
    E: The repository 'http://ppa.launchpad.net/libratbag-piper/piper-libratbag-git/ubuntu xenial Release' does not have a Release file.
    N: Updating from such a repository can't be done securely, and is therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user configuration details.
    E: The repository 'http://ppa.launchpad.net/libreoffice/libreoffice-3-5/ubuntu xenial Release' does not have a Release file.
    N: Updating from such a repository can't be done securely, and is therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user configuration details.
    E: The repository 'http://ppa.launchpad.net/libreoffice/libreoffice-4-4/ubuntu xenial Release' does not have a Release file.
    N: Updating from such a repository can't be done securely, and is therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user configuration details.
    E: The repository 'http://ppa.launchpad.net/michael-gruz/canon/ubuntu xenial Release' does not have a Release file.
    N: Updating from such a repository can't be done securely, and is therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user configuration details.
    E: The repository 'http://ppa.launchpad.net/mizuno-as/gimp-painter/ubuntu xenial Release' does not have a Release file.
    N: Updating from such a repository can't be done securely, and is therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user configuration details.
    E: The repository 'http://ppa.launchpad.net/muravjov-il/ppa/ubuntu xenial Release' does not have a Release file.
    N: Updating from such a repository can't be done securely, and is therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user configuration details.
    E: The repository 'http://ppa.launchpad.net/n-muench/calibre2/ubuntu xenial Release' does not have a Release file.
    N: Updating from such a repository can't be done securely, and is therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user configuration details.
    E: The repository 'http://ppa.launchpad.net/pascal-bach/unison/ubuntu xenial Release' does not have a Release file.
    N: Updating from such a repository can't be done securely, and is therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user configuration details.
    E: The repository 'http://ppa.launchpad.net/pidgin-developers/ppa/ubuntu xenial Release' does not have a Release file.
    N: Updating from such a repository can't be done securely, and is therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user configuration details.
    E: The repository 'http://ppa.launchpad.net/shnatsel/gimp-paint-studio/ubuntu xenial Release' does not have a Release file.
    N: Updating from such a repository can't be done securely, and is therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user configuration details.
    E: The repository 'http://ppa.launchpad.net/skunk/pepper-flash/ubuntu xenial Release' does not have a Release file.
    N: Updating from such a repository can't be done securely, and is therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user configuration details.
    E: The repository 'http://ppa.launchpad.net/telepathy/ppa/ubuntu xenial Release' does not have a Release file.
    N: Updating from such a repository can't be done securely, and is therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user configuration details.
    E: The repository 'http://ppa.launchpad.net/upubuntu-com/chat/ubuntu xenial Release' does not have a Release file.
    N: Updating from such a repository can't be done securely, and is therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user configuration details.
    E: The repository 'http://ppa.launchpad.net/webupd8team/pulseaudio-eq/ubuntu xenial Release' does not have a Release file.
    N: Updating from such a repository can't be done securely, and is therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user configuration details.
    E: The repository 'http://ppa.launchpad.net/webupd8team/rhythmbox/ubuntu xenial Release' does not have a Release file.
    N: Updating from such a repository can't be done securely, and is therefore disabled by default.
    N: See apt-secure(8) manpage for repository creation and user configuration details.
    peter-and-crazybear@peterandcrazybear-GA-X58A-UD7:~$ sudo apt upgrade
    Reading package lists... Done
    Building dependency tree       
    Reading state information... Done
    You might want to run 'apt-get -f install' to correct these.
    The following packages have unmet dependencies:
     libpng12-0 : Breaks: libpng12-0:i386 (!= 1.2.54-1ubuntu1) but 1.2.54-1ubuntu1.1 is installed
     libpng12-0:i386 : Breaks: libpng12-0 (!= 1.2.54-1ubuntu1.1) but 1.2.54-1ubuntu1 is installed
     libpng12-dev : Depends: libpng12-0 (= 1.2.54-1ubuntu1.1) but 1.2.54-1ubuntu1 is installed
    E: Unmet dependencies. Try using -f.

  6. #26
    Join Date
    May 2007
    Beans
    205
    Distro
    Xubuntu

    Re: libpng packages broken and resist being fixed!?!

    Yes, try
    Code:
    dpkg -r --force-depends 'PACKAGE_NAME"
    --force-depends turn stops into warnings instead, and removes the package.

    Also I suspect your Debian repo in the sources.list file. Since the error message refers to the Debian Change log. Try to disable that Debian repo. Debian and Ubuntu is a dangerous mix since they are too alike, in a way.
    Last edited by webaake; June 29th, 2020 at 09:51 AM.
    Any follow-up information on your issue would be appreciated. Please have the courtesy to report back.

  7. #27
    Join Date
    Jul 2005
    Location
    I think I'm here! Maybe?
    Beans
    Hidden!

    Re: libpng packages broken and resist being fixed!?!

    And even having removed all those sources.list.d entries from the system I don't think I've ever seen quite such a long list of added repos.

    Problems such as you've seen are much more likely, or even probable if you complicate sources as much as you seem to have done, so in future proceed with a bit more caution before adding too many third party repos.
    DISTRO: Xubuntu 20.04-64bit --- Code-tags --- Boot-Repair --- Grub2 wiki & Grub2 Basics --- RootSudo --- Wireless-Info --- SolvedThreads

  8. #28
    Join Date
    Aug 2011
    Location
    51.8° N 5.8° E
    Beans
    5,295
    Distro
    Xubuntu 20.04 Focal Fossa

    Re: libpng packages broken and resist being fixed!?!

    Your system is held together with strings and tape.

    You've got about 75 PPAs, which is insane and likely to cause trouble. About 25 of those don't provide software for Xenial. They should be removed, along with the software you got from those PPAs. You've mixed 32 and 64 bit packages, which is allowed, but I would avoid it. Your release is getting close to end of life.

    My solution: wipe your hard drive and make a fresh start with 20.04. Then try to keep it clean.

  9. #29
    Join Date
    Jun 2010
    Beans
    507

    Re: libpng packages broken and resist being fixed!?!

    Quote Originally Posted by webaake View Post
    Yes, try
    Code:
    dpkg -r --force-depends 'PACKAGE_NAME"
    --force-depends turn stops into warnings instead, and removes the package.

    Also I suspect your Debian repo in the sources.list file. Since the error message refers to the Debian Change log. Try to disable that Debian repo. Debian and Ubuntu is a dangerous mix since they are too alike, in a way.

    Sorry, this doesn't make sense to me as to what you are suggesting....that I do that with one of the libpng packages? I also don't understand what you suggest about the 'disabling the Debian repo'. Please clarify.

  10. #30
    Join Date
    Jun 2010
    Beans
    507

    Re: libpng packages broken and resist being fixed!?!

    Quote Originally Posted by Impavidus View Post
    Your system is held together with strings and tape.

    You've got about 75 PPAs, which is insane and likely to cause trouble. About 25 of those don't provide software for Xenial. They should be removed, along with the software you got from those PPAs. You've mixed 32 and 64 bit packages, which is allowed, but I would avoid it. Your release is getting close to end of life.

    My solution: wipe your hard drive and make a fresh start with 20.04. Then try to keep it clean.
    At the moment, my entire life and if it continues many more weeks or months is held together by string and tape and a lot of lawyers and my own legal moves and preparation for a period of homelessness and other things I can't go into........ I need to take a conservative route with this system for now......just no other option....in the late Fall or Winter, if I'm lucky and still alive, I can do something like that. My life is less stable than my system....

    Your suggestion is not going to be possible. I'm being evicted soon and am in a HUGE legal battle. I'll probably be homeless for some months and lucky if I land homefull again. I'm 70, have cancer, am living in a foreign country I don't much like, can not live in my own country because of being a whistleblower and it is too dangerous, did not make any money this year due to the virus pandemic and the legal mess......I'm stuck with what i have for now. I can NOT try normal things......more I don't want to go into....be lucky you have normal lives. I don't right now. I can't make any major changes just now until my life is stable again....at minimum many months and legal battles away. Life can be complicated (if you try to tell the truth [WARNING!]) - even more than my package list. Sorry, my life is at the survival level and minimal 'keeping the system going' is what I have to do now

    ...in fact, my 'real computer system/HDDs' are now illegally seized, and I'm battling to get it back in Court battles. I need the simplest solution, not the most radical - even if it is the 'best'...for me it is to dangerous to attempt now....especially NOW!

    Is there not just a way to delete with one command all trusty ppa's? I'm also confused by the apparent multiple lists.
    Last edited by crazybear; July 2nd, 2020 at 07:37 PM.

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