I checked again on the console when opening with "sudo plasmadiscover". I get this message:
Place your right index finger on the fingerprint reader QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' qrc:/qml/Feedback.qml:2:1: module "org.kde.userfeedback" is not installed invalid kns backend! "/usr/share/knsrcfiles/ksysguard.knsrc" because: "Config group not found! Check your KNS3 installation." adding empty sources model QStandardItemModel(0x55d657895a70) QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' kdeinit5: preparing to launch '/usr/lib/x86_64-linux-gnu/libexec/kf5/klauncher' kdeinit5: Launched KLauncher, pid = 7609, result = 0 QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' Connecting to deprecated signal QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString) QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' kdeinit5: opened connection to :0 QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' kdeinit5: Got EXEC_NEW '/usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/kio/http.so' from launcher. kdeinit5: preparing to launch '/usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/kio/http.so' QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' org.kde.plasma.libdiscover: Couldn't find a category for "fwupd-backend" kdeinit5: Got EXEC_NEW '/usr/lib/x86_64-linux-gnu/libexec/kf5/kconf_update' from launcher. kdeinit5: preparing to launch '/usr/lib/x86_64-linux-gnu/libexec/kf5/kconf_update' kdeinit5: PID 7634 terminated. QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/private/globaltoolbar/ToolBarPageHeader.qml:44:9: QML ActionToolBar: Binding loop detected for property "actions" file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/private/globaltoolbar/ToolBarPageHeader.qml:44:9: QML ActionToolBar: Binding loop detected for property "actions" file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/FormLayout.qml:112:21: Unable to assign [undefined] to double kdeinit5: PID 7614 terminated. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1890059 Title: Plasma Discover does not start To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/plasma-discover/+bug/1890059/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs