I can upgrade my system with APT, but not with Discover. This is the cause (in German language): # apt dist-upgrade Paketlisten werden gelesen... Fertig Abhängigkeitsbaum wird aufgebaut. Statusinformationen werden eingelesen.... Fertig Starting pkgProblemResolver with broken count: 010% Starting 2 pkgProblemResolver with broken count: 0 Done Paketaktualisierung (Upgrade) wird berechnet... Fertig Die folgenden Pakete wurden automatisch installiert und werden nicht mehr benötigt: libkf5purposewidgets5 libkf5xmlrpcclient-data libkf5xmlrpcclient5 libllvm3.8 libudev1:i386 linux-headers-4.4.0-81 linux-headers-4.4.0-81-generic linux-headers-4.4.0-83 linux-headers-4.4.0-83-generic linux-headers-4.4.0-87 linux-headers-4.4.0-87-generic linux-image-4.4.0-81-generic linux-image-4.4.0-83-generic linux-image-4.4.0-87-generic linux-image-extra-4.4.0-81-generic linux-image-extra-4.4.0-83-generic linux-image-extra-4.4.0-87-generic Verwenden Sie »sudo apt autoremove«, um sie zu entfernen. Die folgenden NEUEN Pakete werden installiert: cryfs encfs libcrypto++9v5 libeditorconfig0 libkf5kirigami2-5 libqt5texttospeech5 libtinyxml2-2v5 linux-headers-4.4.0-98 linux-headers-4.4.0-98-generic linux-image-4.4.0-98-generic linux-image-extra-4.4.0-98-generic plasma-vault Die folgenden Pakete werden aktualisiert (Upgrade): akonadi-contacts-data ark baloo-kf5 bluedevil breeze breeze-cursor-theme breeze-icon-theme chromium-codecs-ffmpeg-extra cracklib-runtime distro-info-data dolphin ffmpegthumbs flashplugin-installer frameworkintegration google-chrome-stable grub-common grub-pc grub-pc-bin grub-theme-breeze grub2-common gtk3-engines-breeze gwenview iproute2 kaccounts-providers kactivities-bin kactivitymanagerd kamera kcharselect kde-cli-tools kde-cli-tools-data kde-config-gtk-style kde-config-gtk-style-preview kde-config-plymouth kde-config-screenlocker kde-config-sddm kde-spectacle kde-style-breeze kde-style-breeze-qt4 kded5 kdeplasma-addons-data kdialog kgamma5 khotkeys khotkeys-data kimageformat-plugins kinfocenter kinit kio kio-extras kio-extras-data kmenuedit konsole konsole-kpart kpackagelauncherqml kpackagetool5 krdc kross kscreen ksshaskpass ksysguard ksysguard-data ksysguardd ktexteditor-data ktexteditor-katepart kwalletmanager kwayland-data kwayland-integration kwin kwin-addons kwin-common kwin-data kwin-style-breeze kwin-x11 kwrite kwrited libastro1 libcrack2 libdolphinvcs5 libgnutls-openssl27 libgnutls30 libkaccounts1 libkdecorations2-5v5 libkdecorations2private5v5 libkf5activities5 libkf5activitiesstats1 libkf5akonadicontact5 libkf5akonadicore5 libkf5akonadiprivate5 libkf5akonadiwidgets5 libkf5archive5 libkf5attica5 libkf5auth-data libkf5auth5 libkf5baloo5 libkf5balooengine5 libkf5baloowidgets-bin libkf5baloowidgets5 libkf5bluezqt-data libkf5bluezqt6 libkf5bookmarks-data libkf5bookmarks5 libkf5calendarcore5 libkf5calendarevents5 libkf5codecs-data libkf5codecs5 libkf5completion-data libkf5completion5 libkf5config-bin libkf5config-data libkf5configcore5 libkf5configgui5 libkf5configwidgets-data libkf5configwidgets5 libkf5contacteditor-data libkf5contacteditor5 libkf5contacts-data libkf5contacts5 libkf5coreaddons-data libkf5coreaddons5 libkf5crash5 libkf5dbusaddons-bin libkf5dbusaddons-data libkf5dbusaddons5 libkf5declarative-data libkf5declarative5 libkf5dnssd-data libkf5dnssd5 libkf5doctools5 libkf5emoticons-bin libkf5emoticons-data libkf5emoticons5 libkf5filemetadata-bin libkf5filemetadata-data libkf5filemetadata3 libkf5globalaccel-bin libkf5globalaccel-data libkf5globalaccel5 libkf5globalaccelprivate5 libkf5guiaddons5 libkf5holidays-data libkf5holidays5 libkf5i18n-data libkf5i18n5 libkf5iconthemes-bin libkf5iconthemes-data libkf5iconthemes5 libkf5idletime5 libkf5itemmodels5 libkf5itemviews-data libkf5itemviews5 libkf5jobwidgets-data libkf5jobwidgets5 libkf5js5 libkf5jsapi5 libkf5jsembed-data libkf5jsembed5 libkf5kcmutils-data libkf5kcmutils5 libkf5kdcraw5 libkf5kdelibs4support-data libkf5kdelibs4support5 libkf5kdelibs4support5-bin libkf5kexiv2-15.0.0 libkf5khtml-bin libkf5khtml-data libkf5khtml5 libkf5kiocore5 libkf5kiofilewidgets5 libkf5kiontlm5 libkf5kiowidgets5 libkf5kipi-data libkf5kipi32.0.0 libkf5krosscore5 libkf5krossui5 libkf5mime5 libkf5modemmanagerqt6 libkf5networkmanagerqt6 libkf5newstuff-data libkf5newstuff5 libkf5newstuffcore5 libkf5notifications-data libkf5notifications5 libkf5notifyconfig-data libkf5notifyconfig5 libkf5package-data libkf5package5 libkf5parts-data libkf5parts-plugins libkf5parts5 libkf5people-data libkf5people5 libkf5peoplebackend5 libkf5peoplewidgets5 libkf5plasma5 libkf5plasmaquick5 libkf5prison5 libkf5pty-data libkf5pty5 libkf5purpose-bin libkf5purpose5 libkf5purposewidgets5 libkf5quickaddons5 libkf5runner5 libkf5sane-data libkf5sane5 libkf5screen7 libkf5service-bin libkf5service-data libkf5service5 libkf5solid5 libkf5solid5-data libkf5sonnet5-data libkf5sonnetcore5 libkf5sonnetui5 libkf5style5 libkf5su-bin libkf5su-data libkf5su5 libkf5syntaxhighlighting-data libkf5syntaxhighlighting5 libkf5sysguard-bin libkf5sysguard-data libkf5texteditor5 libkf5texteditor5-libjs-underscore libkf5textwidgets-data libkf5textwidgets5 libkf5threadweaver5 libkf5unitconversion-data libkf5unitconversion5 libkf5wallet-bin libkf5wallet-data libkf5wallet5 libkf5waylandclient5 libkf5waylandserver5 libkf5widgetsaddons-data libkf5widgetsaddons5 libkf5windowsystem-data libkf5windowsystem5 libkf5xmlgui-bin libkf5xmlgui-data libkf5xmlgui5 libkf5xmlrpcclient-data libkf5xmlrpcclient5 libkfontinst5 libkfontinstui5 libkscreenlocker5 libksgrd7 libksignalplotter7 libkwalletbackend5-5 libkwin4-effect-builtins1 libkwineffects11 libkwinglutils11 libkwinxrenderutils11 libkworkspace5-5 libmarblewidget-qt5-28 libokular5core7 libpam-kwallet5 libpam-systemd libperl5.22 libplasma-geolocation-interface5 libpoppler-glib8 libpoppler-qt5-1 libpoppler58 libpowerdevilcore2 libpowerdevilui5 libpq5 libprocesscore7 libprocessui7 libqmobipocket2 libqt5webengine-data libqt5webenginecore5 libqt5webenginewidgets5 libssl1.0.0 libsystemd0 libsystemd0:i386 libtaskmanager6 libudev1 libudev1:i386 libweather-ion7 linux-firmware linux-generic linux-headers-generic linux-image-generic linux-libc-dev lshw marble-data marble-plugins milou muon-notifier muon-updater neon-desktop neon-settings okular openjdk-8-jdk openjdk-8-jdk-headless openjdk-8-jre openjdk-8-jre-headless openjdk-8-source openssl oxygen-icon-theme oxygen-sounds pam-kwallet-init perl perl-base perl-modules-5.22 plasma-dataengines-addons plasma-desktop plasma-desktop-data plasma-discover plasma-discover-common plasma-discover-private plasma-discover-updater plasma-framework plasma-look-and-feel-org-kde-breezedark-desktop plasma-nm plasma-pa plasma-runners-addons plasma-wallpapers-addons plasma-widgets-addons plasma-workspace plymouth-theme-breeze polkit-kde-agent-1 poppler-utils postgresql-9.5 postgresql-client-9.5 postgresql-client-common postgresql-common postgresql-contrib-9.5 powerdevil powerdevil-data print-manager python-mutagen python3-distupgrade python3-update-manager qml-module-org-kde-activities qml-module-org-kde-bluezqt qml-module-org-kde-draganddrop qml-module-org-kde-extensionplugin qml-module-org-kde-kconfig qml-module-org-kde-kcoreaddons qml-module-org-kde-kholidays qml-module-org-kde-kio qml-module-org-kde-kirigami2 qml-module-org-kde-kquickcontrols qml-module-org-kde-kquickcontrolsaddons qml-module-org-kde-kwindowsystem qml-module-org-kde-newstuff qml-module-org-kde-purpose qml-module-org-kde-qqc2desktopstyle qml-module-org-kde-runnermodel qml-module-org-kde-solid qml-module-qtquick-controls-styles-breeze resolvconf sddm-theme-breeze snapd sonnet-plugins systemd systemd-sysv systemsettings tzdata ubuntu-minimal ubuntu-release-upgrader-core ubuntu-standard udev update-manager-core user-manager wget 367 aktualisiert, 12 neu installiert, 0 zu entfernen und 0 nicht aktualisiert. Es müssen 530 MB an Archiven heruntergeladen werden. Nach dieser Operation werden 358 MB Plattenplatz zusätzlich benutzt. Möchten Sie fortfahren? [J/n] WARNUNG: Die folgenden Pakete können nicht authentifiziert werden! python-mutagen Diese Pakete ohne Überprüfung installieren? [j/N] j The cause is this question: Diese Pakete ohne Überprüfung installieren? The GUI is unable to do this.
Rough translation: Install this packet without verification?
Which error does Discover give you?
I don't have time to write it down. Errors are shown in a popup that disappears in a few seconds.
Created attachment 108877 [details] error popup
Finally I've been able to capture the error.
Git commit c17feb9f77b5648cb7f91c5f3af48023bf47bcbc by Aleix Pol. Committed on 28/11/2017 at 18:51. Pushed by apol into branch 'master'. PackageKit: Make it possible to add new signatures in response to the error Related: bug 377645 M +14 -0 libdiscover/backends/PackageKitBackend/PKTransaction.cpp M +8 -0 libdiscover/backends/PackageKitBackend/PKTransaction.h M +14 -0 libdiscover/backends/PackageKitBackend/PackageKitUpdater.cpp M +8 -0 libdiscover/backends/PackageKitBackend/PackageKitUpdater.h https://commits.kde.org/discover/c17feb9f77b5648cb7f91c5f3af48023bf47bcbc