Ubuntu Version: 25.04
Desktop Environment (if applicable): Unity
Problem Description:
My Ubuntu Unity’s app launcher is showing as empty. None of my Snaps, Flatpaks & native DEBs are showing up
Relevant System Information:
- VM with GPU pasthrough
Screenshots or Error Messages:
What I’ve Tried:
$ sudo update-desktop-database -v
Search path is now: [/usr/local/share/applications, /usr/share/applications]
File "/usr/share/applications/gnome-search-panel.desktop" lacks MimeType key
File "/usr/share/applications/update-manager.desktop" lacks MimeType key
File "/usr/share/applications/unity-sound-panel.desktop" lacks MimeType key
File "/usr/share/applications/unity-bluetooth-panel.desktop" lacks MimeType key
File "/usr/share/applications/debian-xterm.desktop" lacks MimeType key
File "/usr/share/applications/notification-daemon.desktop" lacks MimeType key
File "/usr/share/applications/kvantummanager.desktop" lacks MimeType key
File "/usr/share/applications/debian-uxterm.desktop" lacks MimeType key
File "/usr/share/applications/sol.desktop" lacks MimeType key
File "/usr/share/applications/htop.desktop" lacks MimeType key
File "/usr/share/applications/gnome-wacom-panel.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.RemoteDesktop.Handover.desktop" lacks MimeType key
File "/usr/share/applications/xfce-wmtweaks-settings.desktop" lacks MimeType key
File "/usr/share/applications/synaptic.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.PowerStats.desktop" lacks MimeType key
File "/usr/share/applications/unity-user-accounts-panel.desktop" lacks MimeType key
File "/usr/share/applications/mate-calc.desktop" lacks MimeType key
File "/usr/share/applications/activity-log-manager.desktop" lacks MimeType key
File "/usr/share/applications/gnome-sound-panel.desktop" lacks MimeType key
File "/usr/share/applications/info.desktop" lacks MimeType key
File "/usr/share/applications/org.kde.kwalletd6.desktop" lacks MimeType key
File "/usr/share/applications/gnome-power-panel.desktop" lacks MimeType key
File "/usr/share/applications/gcr-prompter.desktop" lacks MimeType key
File "/usr/share/applications/unity-region-panel.desktop" lacks MimeType key
File "/usr/share/applications/lightdm-settings.desktop" lacks MimeType key
File "/usr/share/applications/conky.desktop" lacks MimeType key
File "/usr/share/applications/gnome-datetime-panel.desktop" lacks MimeType key
File "/usr/share/applications/hplj1020.desktop" lacks MimeType key
File "/usr/share/applications/shutdown.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.Cheese.desktop" lacks MimeType key
File "/usr/share/applications/vino-server.desktop" lacks MimeType key
File "/usr/share/applications/gnome-wwan-panel.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.Sudoku.desktop" lacks MimeType key
File "/usr/share/applications/org.kde.kded6.desktop" lacks MimeType key
File "/usr/share/applications/unity-sharing-panel.desktop" lacks MimeType key
File "/usr/share/applications/menulibre.desktop" lacks MimeType key
File "/usr/share/applications/time.desktop" lacks MimeType key
File "/usr/share/applications/gnome-system-monitor-kde.desktop" lacks MimeType key
File "/usr/share/applications/mate-system-monitor.desktop" lacks MimeType key
File "/usr/share/applications/gnome-wellbeing-panel.desktop" lacks MimeType key
File "/usr/share/applications/im-config.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.Terminal.Preferences.desktop" lacks MimeType key
File "/usr/share/applications/unity-universal-access-panel.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.Evolution-alarm-notify.desktop" lacks MimeType key
File "/usr/share/applications/compiz.desktop" lacks MimeType key
File "/usr/share/applications/org.kde.yakuake.desktop" lacks MimeType key
File "/usr/share/applications/gnome-mouse-panel.desktop" lacks MimeType key
File "/usr/share/applications/org.freedesktop.IBus.Panel.Wayland.Gtk3.desktop" lacks MimeType key
File "/usr/share/applications/org.freedesktop.Piper.desktop" lacks MimeType key
File "/usr/share/applications/users.desktop" lacks MimeType key
File "/usr/share/applications/onboard.desktop" lacks MimeType key
File "/usr/share/applications/unity-tweak-tool.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.Tecla.desktop" lacks MimeType key
File "/usr/share/applications/software-properties-livepatch.desktop" lacks MimeType key
File "/usr/share/applications/org.freedesktop.IBus.Panel.Extension.Gtk3.desktop" lacks MimeType key
File "/usr/share/applications/unity-appearance-panel.desktop" lacks MimeType key
File "/usr/share/applications/gnome-keyboard-panel.desktop" lacks MimeType key
File "/usr/share/applications/ibus-setup-table.desktop" lacks MimeType key
File "/usr/share/applications/nvidia-settings.desktop" lacks MimeType key
File "/usr/share/applications/gnome-printers-panel.desktop" lacks MimeType key
File "/usr/share/applications/nemo-autostart.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.Settings.desktop" lacks MimeType key
File "/usr/share/applications/nm-connection-editor.desktop" lacks MimeType key
File "/usr/share/applications/geoclue-demo-agent.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.DiskUtility.desktop" lacks MimeType key
File "/usr/share/applications/unity-datetime-panel.desktop" lacks MimeType key
File "/usr/share/applications/org.freedesktop.IBus.Setup.desktop" lacks MimeType key
File "/usr/share/applications/unity-network-panel.desktop" lacks MimeType key
File "/usr/share/applications/gnome-privacy-panel.desktop" lacks MimeType key
File "/usr/share/applications/unity-screen-panel.desktop" lacks MimeType key
File "/usr/share/applications/gnome-session-properties.desktop" lacks MimeType key
File "/usr/share/applications/gnome-sharing-panel.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.Zenity.desktop" lacks MimeType key
File "/usr/share/applications/systemsettings.desktop" lacks MimeType key
File "/usr/share/applications/gkbd-keyboard-display.desktop" lacks MimeType key
File "/usr/share/applications/org.kde.keditbookmarks.desktop" lacks MimeType key
File "/usr/share/applications/gnome-universal-access-panel.desktop" lacks MimeType key
File "/usr/share/applications/gnome-applications-panel.desktop" lacks MimeType key
File "/usr/share/applications/gnome-color-panel.desktop" lacks MimeType key
File "/usr/share/applications/unity-control-center.desktop" lacks MimeType key
File "/usr/share/applications/software-properties-drivers.desktop" lacks MimeType key
File "/usr/share/applications/gnome-region-panel.desktop" lacks MimeType key
File "/usr/share/applications/gparted.desktop" lacks MimeType key
File "/usr/share/applications/gnome-notifications-panel.desktop" lacks MimeType key
File "/usr/share/applications/gnome-display-panel.desktop" lacks MimeType key
File "/usr/share/applications/unity-color-panel.desktop" lacks MimeType key
File "/usr/share/applications/bluetooth-sendto.desktop" lacks MimeType key
File "/usr/share/applications/kdesystemsettings.desktop" lacks MimeType key
File "/usr/share/applications/logout.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.Mines.desktop" lacks MimeType key
File "/usr/share/applications/stacer.desktop" lacks MimeType key
File "/usr/share/applications/gnome-network-panel.desktop" lacks MimeType key
File "/usr/share/applications/unity-wacom-panel.desktop" lacks MimeType key
File "/usr/share/applications/gnome-language-selector.desktop" lacks MimeType key
File "/usr/share/applications/simple-scan.desktop" lacks MimeType key
File "/usr/share/applications/xdg-desktop-portal-gtk.desktop" lacks MimeType key
File "/usr/share/applications/system-config-printer.desktop" lacks MimeType key
File "/usr/share/applications/unity-info-panel.desktop" lacks MimeType key
File "/usr/share/applications/gnome-screensaver.desktop" lacks MimeType key
File "/usr/share/applications/gnome-background-panel.desktop" lacks MimeType key
File "/usr/share/applications/unity-power-panel.desktop" lacks MimeType key
File "/usr/share/applications/reboot.desktop" lacks MimeType key
File "/usr/share/applications/user-dirs-update-gtk.desktop" lacks MimeType key
File "/usr/share/applications/gnome-online-accounts-panel.desktop" lacks MimeType key
File "/usr/share/applications/python3.13.desktop" lacks MimeType key
File "/usr/share/applications/gucharmap.desktop" lacks MimeType key
File "/usr/share/applications/gnome-wifi-panel.desktop" lacks MimeType key
File "/usr/share/applications/org.flameshot.Flameshot.desktop" lacks MimeType key
File "/usr/share/applications/shares.desktop" lacks MimeType key
File "/usr/share/applications/xfce-workspaces-settings.desktop" lacks MimeType key
File "/usr/share/applications/gnome-about-panel.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.SystemMonitor.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.Terminal.desktop" lacks MimeType key
File "/usr/share/applications/gnome-multitasking-panel.desktop" lacks MimeType key
File "/usr/share/applications/unity-display-panel.desktop" lacks MimeType key
File "/usr/share/applications/xfce-wm-settings.desktop" lacks MimeType key
File "/usr/share/applications/onboard-settings.desktop" lacks MimeType key
File "/usr/share/applications/usb-creator-gtk.desktop" lacks MimeType key
File "/usr/share/applications/unity-keyboard-panel.desktop" lacks MimeType key
File "/usr/share/applications/unity-activity-log-manager-panel.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.Screenshot.desktop" lacks MimeType key
File "/usr/share/applications/nm-applet.desktop" lacks MimeType key
File "/usr/share/applications/gnome-bluetooth-panel.desktop" lacks MimeType key
File "/usr/share/applications/gnome-system-panel.desktop" lacks MimeType key
File "/usr/share/applications/gnome-users-panel.desktop" lacks MimeType key
File "/usr/share/applications/unity-mouse-panel.desktop" lacks MimeType key
File "/usr/share/applications/org.kde.kiod6.desktop" lacks MimeType key
File "/usr/share/applications/org.kde.konsole.desktop" lacks MimeType key
File "/usr/share/applications/org.freedesktop.IBus.Panel.Emojier.desktop" lacks MimeType key
File "/usr/share/applications/remmina-gnome.desktop" lacks MimeType key
File "/usr/share/applications/io.snapcraft.SessionAgent.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.Mahjongg.desktop" lacks MimeType key
File "/usr/share/applications/gnome-ubuntu-panel.desktop" lacks MimeType key
$ update-desktop-database -v
Search path is now: [/usr/share/unity/applications, /usr/share/gnome/applications, /home/yamiyukisenpai/.local/share/flatpak/exports/share/applications, /var/lib/flatpak/exports/share/applications, /usr/local/share/applications, /usr/share/applications, /var/lib/snapd/desktop/applications]
Could not create cache file in "/usr/share/unity/applications": Error opening directory ?/usr/share/unity/applications?: No such file or directory
Could not create cache file in "/usr/share/gnome/applications": Error opening directory ?/usr/share/gnome/applications?: No such file or directory
Could not create cache file in "/home/yamiyukisenpai/.local/share/flatpak/exports/share/applications": Error opening directory ?/home/yamiyukisenpai/.local/share/flatpak/exports/share/applications?: No such file or directory
File "/var/lib/flatpak/exports/share/applications/com.github.tchx84.Flatseal.desktop" lacks MimeType key
File "/var/lib/flatpak/exports/share/applications/org.bluesabre.MenuLibre.desktop" lacks MimeType key
File "/var/lib/flatpak/exports/share/applications/net.davidotek.pupgui2.desktop" lacks MimeType key
Could not create cache file in "/var/lib/flatpak/exports/share/applications": Permission denied
Could not create cache file in "/usr/local/share/applications": Permission denied
File "/usr/share/applications/gnome-search-panel.desktop" lacks MimeType key
File "/usr/share/applications/update-manager.desktop" lacks MimeType key
File "/usr/share/applications/unity-sound-panel.desktop" lacks MimeType key
File "/usr/share/applications/unity-bluetooth-panel.desktop" lacks MimeType key
File "/usr/share/applications/debian-xterm.desktop" lacks MimeType key
File "/usr/share/applications/notification-daemon.desktop" lacks MimeType key
File "/usr/share/applications/kvantummanager.desktop" lacks MimeType key
File "/usr/share/applications/debian-uxterm.desktop" lacks MimeType key
File "/usr/share/applications/sol.desktop" lacks MimeType key
File "/usr/share/applications/htop.desktop" lacks MimeType key
File "/usr/share/applications/gnome-wacom-panel.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.RemoteDesktop.Handover.desktop" lacks MimeType key
File "/usr/share/applications/xfce-wmtweaks-settings.desktop" lacks MimeType key
File "/usr/share/applications/synaptic.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.PowerStats.desktop" lacks MimeType key
File "/usr/share/applications/unity-user-accounts-panel.desktop" lacks MimeType key
File "/usr/share/applications/mate-calc.desktop" lacks MimeType key
File "/usr/share/applications/activity-log-manager.desktop" lacks MimeType key
File "/usr/share/applications/gnome-sound-panel.desktop" lacks MimeType key
File "/usr/share/applications/info.desktop" lacks MimeType key
File "/usr/share/applications/org.kde.kwalletd6.desktop" lacks MimeType key
File "/usr/share/applications/gnome-power-panel.desktop" lacks MimeType key
File "/usr/share/applications/gcr-prompter.desktop" lacks MimeType key
File "/usr/share/applications/unity-region-panel.desktop" lacks MimeType key
File "/usr/share/applications/lightdm-settings.desktop" lacks MimeType key
File "/usr/share/applications/conky.desktop" lacks MimeType key
File "/usr/share/applications/gnome-datetime-panel.desktop" lacks MimeType key
File "/usr/share/applications/hplj1020.desktop" lacks MimeType key
File "/usr/share/applications/shutdown.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.Cheese.desktop" lacks MimeType key
File "/usr/share/applications/vino-server.desktop" lacks MimeType key
File "/usr/share/applications/gnome-wwan-panel.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.Sudoku.desktop" lacks MimeType key
File "/usr/share/applications/org.kde.kded6.desktop" lacks MimeType key
File "/usr/share/applications/unity-sharing-panel.desktop" lacks MimeType key
File "/usr/share/applications/menulibre.desktop" lacks MimeType key
File "/usr/share/applications/time.desktop" lacks MimeType key
File "/usr/share/applications/gnome-system-monitor-kde.desktop" lacks MimeType key
File "/usr/share/applications/mate-system-monitor.desktop" lacks MimeType key
File "/usr/share/applications/gnome-wellbeing-panel.desktop" lacks MimeType key
File "/usr/share/applications/im-config.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.Terminal.Preferences.desktop" lacks MimeType key
File "/usr/share/applications/unity-universal-access-panel.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.Evolution-alarm-notify.desktop" lacks MimeType key
File "/usr/share/applications/compiz.desktop" lacks MimeType key
File "/usr/share/applications/org.kde.yakuake.desktop" lacks MimeType key
File "/usr/share/applications/gnome-mouse-panel.desktop" lacks MimeType key
File "/usr/share/applications/org.freedesktop.IBus.Panel.Wayland.Gtk3.desktop" lacks MimeType key
File "/usr/share/applications/org.freedesktop.Piper.desktop" lacks MimeType key
File "/usr/share/applications/users.desktop" lacks MimeType key
File "/usr/share/applications/onboard.desktop" lacks MimeType key
File "/usr/share/applications/unity-tweak-tool.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.Tecla.desktop" lacks MimeType key
File "/usr/share/applications/software-properties-livepatch.desktop" lacks MimeType key
File "/usr/share/applications/org.freedesktop.IBus.Panel.Extension.Gtk3.desktop" lacks MimeType key
File "/usr/share/applications/unity-appearance-panel.desktop" lacks MimeType key
File "/usr/share/applications/gnome-keyboard-panel.desktop" lacks MimeType key
File "/usr/share/applications/ibus-setup-table.desktop" lacks MimeType key
File "/usr/share/applications/nvidia-settings.desktop" lacks MimeType key
File "/usr/share/applications/gnome-printers-panel.desktop" lacks MimeType key
File "/usr/share/applications/nemo-autostart.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.Settings.desktop" lacks MimeType key
File "/usr/share/applications/nm-connection-editor.desktop" lacks MimeType key
File "/usr/share/applications/geoclue-demo-agent.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.DiskUtility.desktop" lacks MimeType key
File "/usr/share/applications/unity-datetime-panel.desktop" lacks MimeType key
File "/usr/share/applications/org.freedesktop.IBus.Setup.desktop" lacks MimeType key
File "/usr/share/applications/unity-network-panel.desktop" lacks MimeType key
File "/usr/share/applications/gnome-privacy-panel.desktop" lacks MimeType key
File "/usr/share/applications/unity-screen-panel.desktop" lacks MimeType key
File "/usr/share/applications/gnome-session-properties.desktop" lacks MimeType key
File "/usr/share/applications/gnome-sharing-panel.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.Zenity.desktop" lacks MimeType key
File "/usr/share/applications/systemsettings.desktop" lacks MimeType key
File "/usr/share/applications/gkbd-keyboard-display.desktop" lacks MimeType key
File "/usr/share/applications/org.kde.keditbookmarks.desktop" lacks MimeType key
File "/usr/share/applications/gnome-universal-access-panel.desktop" lacks MimeType key
File "/usr/share/applications/gnome-applications-panel.desktop" lacks MimeType key
File "/usr/share/applications/gnome-color-panel.desktop" lacks MimeType key
File "/usr/share/applications/unity-control-center.desktop" lacks MimeType key
File "/usr/share/applications/software-properties-drivers.desktop" lacks MimeType key
File "/usr/share/applications/gnome-region-panel.desktop" lacks MimeType key
File "/usr/share/applications/gparted.desktop" lacks MimeType key
File "/usr/share/applications/gnome-notifications-panel.desktop" lacks MimeType key
File "/usr/share/applications/gnome-display-panel.desktop" lacks MimeType key
File "/usr/share/applications/unity-color-panel.desktop" lacks MimeType key
File "/usr/share/applications/bluetooth-sendto.desktop" lacks MimeType key
File "/usr/share/applications/kdesystemsettings.desktop" lacks MimeType key
File "/usr/share/applications/logout.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.Mines.desktop" lacks MimeType key
File "/usr/share/applications/stacer.desktop" lacks MimeType key
File "/usr/share/applications/gnome-network-panel.desktop" lacks MimeType key
File "/usr/share/applications/unity-wacom-panel.desktop" lacks MimeType key
File "/usr/share/applications/gnome-language-selector.desktop" lacks MimeType key
File "/usr/share/applications/simple-scan.desktop" lacks MimeType key
File "/usr/share/applications/xdg-desktop-portal-gtk.desktop" lacks MimeType key
File "/usr/share/applications/system-config-printer.desktop" lacks MimeType key
File "/usr/share/applications/unity-info-panel.desktop" lacks MimeType key
File "/usr/share/applications/gnome-screensaver.desktop" lacks MimeType key
File "/usr/share/applications/gnome-background-panel.desktop" lacks MimeType key
File "/usr/share/applications/unity-power-panel.desktop" lacks MimeType key
File "/usr/share/applications/reboot.desktop" lacks MimeType key
File "/usr/share/applications/user-dirs-update-gtk.desktop" lacks MimeType key
File "/usr/share/applications/gnome-online-accounts-panel.desktop" lacks MimeType key
File "/usr/share/applications/python3.13.desktop" lacks MimeType key
File "/usr/share/applications/gucharmap.desktop" lacks MimeType key
File "/usr/share/applications/gnome-wifi-panel.desktop" lacks MimeType key
File "/usr/share/applications/org.flameshot.Flameshot.desktop" lacks MimeType key
File "/usr/share/applications/shares.desktop" lacks MimeType key
File "/usr/share/applications/xfce-workspaces-settings.desktop" lacks MimeType key
File "/usr/share/applications/gnome-about-panel.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.SystemMonitor.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.Terminal.desktop" lacks MimeType key
File "/usr/share/applications/gnome-multitasking-panel.desktop" lacks MimeType key
File "/usr/share/applications/unity-display-panel.desktop" lacks MimeType key
File "/usr/share/applications/xfce-wm-settings.desktop" lacks MimeType key
File "/usr/share/applications/onboard-settings.desktop" lacks MimeType key
File "/usr/share/applications/usb-creator-gtk.desktop" lacks MimeType key
File "/usr/share/applications/unity-keyboard-panel.desktop" lacks MimeType key
File "/usr/share/applications/unity-activity-log-manager-panel.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.Screenshot.desktop" lacks MimeType key
File "/usr/share/applications/nm-applet.desktop" lacks MimeType key
File "/usr/share/applications/gnome-bluetooth-panel.desktop" lacks MimeType key
File "/usr/share/applications/gnome-system-panel.desktop" lacks MimeType key
File "/usr/share/applications/gnome-users-panel.desktop" lacks MimeType key
File "/usr/share/applications/unity-mouse-panel.desktop" lacks MimeType key
File "/usr/share/applications/org.kde.kiod6.desktop" lacks MimeType key
File "/usr/share/applications/org.kde.konsole.desktop" lacks MimeType key
File "/usr/share/applications/org.freedesktop.IBus.Panel.Emojier.desktop" lacks MimeType key
File "/usr/share/applications/remmina-gnome.desktop" lacks MimeType key
File "/usr/share/applications/io.snapcraft.SessionAgent.desktop" lacks MimeType key
File "/usr/share/applications/org.gnome.Mahjongg.desktop" lacks MimeType key
File "/usr/share/applications/gnome-ubuntu-panel.desktop" lacks MimeType key
Could not create cache file in "/usr/share/applications": Permission denied
File "/var/lib/snapd/desktop/applications/snapd-desktop-integration_snapd-desktop-integration.desktop" lacks MimeType key
File "/var/lib/snapd/desktop/applications/obs-studio_obs-studio.desktop" lacks MimeType key
File "/var/lib/snapd/desktop/applications/nvtop_nvtop.desktop" lacks MimeType key
File "/var/lib/snapd/desktop/applications/snap-store_show-updates.desktop" lacks MimeType key
File "/var/lib/snapd/desktop/applications/skanpage_skanpage.desktop" lacks MimeType key
Could not create cache file in "/var/lib/snapd/desktop/applications": Permission denied
The databases in [/usr/share/unity/applications, /usr/share/gnome/applications, /home/yamiyukisenpai/.local/share/flatpak/exports/share/applications, /var/lib/flatpak/exports/share/applications, /usr/local/share/applications, /usr/share/applications, /var/lib/snapd/desktop/applications] could not be updated.
$ sudo xdg-desktop-menu forceupdate --mode system
$ xdg-desktop-menu forceupdate --mode user
