I noticed also that when I use "sudo plasma-disover" the program starts and brings this message on the commend line:
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(0x55f2d43d6740) org.kde.plasma.discover: couldn't open file "/root/.cache/discover/featured-5.9.json" "No such file or directory" org.kde.plasma.discover: couldn't open file "/root/.cache/discover/featured-5.9.json" "No such file or directory" org.kde.plasma.discover: couldn't open file "/root/.cache/discover/featured-5.9.json" "No such file or directory" QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' org.kde.plasma.libdiscover: Couldn't find a category for "fwupd-backend" QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' took really long to fetch KNSBackend(0x55f2d4319120, name = "/usr/share/knsrcfiles/gtk3_themes.knsrc") -- 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