I haven't found a cause yet, but I believe I experienced this as can be seen with my apt logs --- Start-Date: 2023-08-04 08:44:06 Commandline: apt full-upgrade Requested-By: guiverc (1000) Install: linux-modules-extra-6.2.0-26-generic:amd64 (6.2.0-26.26~22.04.1, automatic), linux-hwe-6.2-headers-6.2.0-26:amd64 (6.2.0-26.26~22.04.1, automatic), linux-modules-6.2.0-26-generic:amd64 (6.2.0-26.26~22.04.1, automatic), linux-image-6.2.0-26-generic:amd64 (6.2.0-26.26~22.04.1, automatic), linux-headers-6.2.0-26-generic:amd64 (6.2.0-26.26~22.04.1, automatic) Upgrade: libpoppler-qt5-1:amd64 (22.02.0-2ubuntu0.1, 22.02.0-2ubuntu0.2), libreoffice-calc:amd64 (1:7.4.7-0ubuntu0.22.10.1~bpo22.04.1, 4:7.5.5-0ubuntu0.23.04.1~bpo22.04.1), libreoffice-gnome:amd64 (1:7.4.7-0ubuntu0.22.10.1~bpo22.04.1, 4:7.5.5-0ubuntu0.23.04.1~bpo22.04.1), uno-libs-private:amd64 (1:7.4.7-0ubuntu0.22.10.1~bpo22.04.1, 4:7.5.5-0ubuntu0.23.04.1~bpo22.04.1), libreoffice-base-core:amd64 (1:7.4.7-0ubuntu0.22.10.1~bpo22.04.1, 4:7.5.5-0ubuntu0.23.04.1~bpo22.04.1), libreoffice-core:amd64 (1:7.4.7-0ubuntu0.22.10.1~bpo22.04.1, 4:7.5.5-0ubuntu0.23.04.1~bpo22.04.1), libunwind8:amd64 (1.3.2-2build2, 1.3.2-2build2.1), libreoffice-common:amd64 (1:7.4.7-0ubuntu0.22.10.1~bpo22.04.1, 4:7.5.5-0ubuntu0.23.04.1~bpo22.04.1), ure:amd64 (1:7.4.7-0ubuntu0.22.10.1~bpo22.04.1, 4:7.5.5-0ubuntu0.23.04.1~bpo22.04.1), vim:amd64 (2:8.2.3995-1ubuntu2.9, 2:8.2.3995-1ubuntu2.10), xxd:amd64 (2:8.2.3995-1ubuntu2.9, 2:8.2.3995-1ubuntu2.10), linux-image-generic-hwe-22.04:amd64 (5.19.0.50.22, 6.2.0.26.26~22.04.7), vim-common:amd64 (2:8.2.3995-1ubuntu2.9, 2:8.2.3995-1ubuntu2.10), libreoffice-draw:amd64 (1:7.4.7-0ubuntu0.22.10.1~bpo22.04.1, 4:7.5.5-0ubuntu0.23.04.1~bpo22.04.1), libuno-purpenvhelpergcc3-3:amd64 (1:7.4.7-0ubuntu0.22.10.1~bpo22.04.1, 4:7.5.5-0ubuntu0.23.04.1~bpo22.04.1), libuno-cppu3:amd64 (1:7.4.7-0ubuntu0.22.10.1~bpo22.04.1, 4:7.5.5-0ubuntu0.23.04.1~bpo22.04.1), libpoppler-cpp0v5:amd64 (22.02.0-2ubuntu0.1, 22.02.0-2ubuntu0.2), libxatracker2:amd64 (22.2.5-0ubuntu0.1~22.04.3, 23.0.4-0ubuntu1~22.04.1), libreoffice-impress:amd64 (1:7.4.7-0ubuntu0.22.10.1~bpo22.04.1, 4:7.5.5-0ubuntu0.23.04.1~bpo22.04.1), libuno-cppuhelpergcc3-3:amd64 (1:7.4.7-0ubuntu0.22.10.1~bpo22.04.1, 4:7.5.5-0ubuntu0.23.04.1~bpo22.04.1), fonts-opensymbol:amd64 (2:102.12+LibO7.4.7-0ubuntu0.22.10.1~bpo22.04.1, 4:102.12+LibO7.5.5-0ubuntu0.23.04.1~bpo22.04.1), mesa-va-drivers:amd64 (22.2.5-0ubuntu0.1~22.04.3, 23.0.4-0ubuntu1~22.04.1), poppler-utils:amd64 (22.02.0-2ubuntu0.1, 22.02.0-2ubuntu0.2), libreoffice-style-colibre:amd64 (1:7.4.7-0ubuntu0.22.10.1~bpo22.04.1, 4:7.5.5-0ubuntu0.23.04.1~bpo22.04.1), libpoppler-glib8:amd64 (22.02.0-2ubuntu0.1, 22.02.0-2ubuntu0.2), libreoffice-writer:amd64 (1:7.4.7-0ubuntu0.22.10.1~bpo22.04.1, 4:7.5.5-0ubuntu0.23.04.1~bpo22.04.1), libuno-salhelpergcc3-3:amd64 (1:7.4.7-0ubuntu0.22.10.1~bpo22.04.1, 4:7.5.5-0ubuntu0.23.04.1~bpo22.04.1), libreoffice-style-breeze:amd64 (1:7.4.7-0ubuntu0.22.10.1~bpo22.04.1, 4:7.5.5-0ubuntu0.23.04.1~bpo22.04.1), vim-tiny:amd64 (2:8.2.3995-1ubuntu2.9, 2:8.2.3995-1ubuntu2.10), libpoppler118:amd64 (22.02.0-2ubuntu0.1, 22.02.0-2ubuntu0.2), mesa-vulkan-drivers:amd64 (22.2.5-0ubuntu0.1~22.04.3, 23.0.4-0ubuntu1~22.04.1), linux-headers-generic-hwe-22.04:amd64 (5.19.0.50.22, 6.2.0.26.26~22.04.7), linux-generic-hwe-22.04:amd64 (5.19.0.50.22, 6.2.0.26.26~22.04.7), vim-runtime:amd64 (2:8.2.3995-1ubuntu2.9, 2:8.2.3995-1ubuntu2.10), libreoffice-help-common:amd64 (1:7.4.7-0ubuntu0.22.10.1~bpo22.04.1, 4:7.5.5-0ubuntu0.23.04.1~bpo22.04.1), python3-uno:amd64 (1:7.4.7-0ubuntu0.22.10.1~bpo22.04.1, 4:7.5.5-0ubuntu0.23.04.1~bpo22.04.1), libuno-sal3:amd64 (1:7.4.7-0ubuntu0.22.10.1~bpo22.04.1, 4:7.5.5-0ubuntu0.23.04.1~bpo22.04.1), libreoffice-style-yaru:amd64 (1:7.4.7-0ubuntu0.22.10.1~bpo22.04.1, 4:7.5.5-0ubuntu0.23.04.1~bpo22.04.1), libreoffice-math:amd64 (1:7.4.7-0ubuntu0.22.10.1~bpo22.04.1, 4:7.5.5-0ubuntu0.23.04.1~bpo22.04.1), libreoffice-gtk3:amd64 (1:7.4.7-0ubuntu0.22.10.1~bpo22.04.1, 4:7.5.5-0ubuntu0.23.04.1~bpo22.04.1), mesa-vdpau-drivers:amd64 (22.2.5-0ubuntu0.1~22.04.3, 23.0.4-0ubuntu1~22.04.1), libreoffice-help-en-us:amd64 (1:7.4.7-0ubuntu0.22.10.1~bpo22.04.1, 4:7.5.5-0ubuntu0.23.04.1~bpo22.04.1), libreoffice-style-elementary:amd64 (1:7.4.7-0ubuntu0.22.10.1~bpo22.04.1, 4:7.5.5-0ubuntu0.23.04.1~bpo22.04.1), libreoffice-qt5:amd64 (1:7.4.7-0ubuntu0.22.10.1~bpo22.04.1, 4:7.5.5-0ubuntu0.23.04.1~bpo22.04.1) Remove: libcogl-path20:amd64 (1.22.8-3build1), xserver-xorg-video-nouveau:amd64 (1:1.0.17-2build1), gnome-user-docs:amd64 (41.5-1ubuntu2), gir1.2-clutter-1.0:amd64 (1.26.4+dfsg-4build1), kaccounts-providers:amd64 (4:21.12.3-0ubuntu1), gir1.2-cogl-1.0:amd64 (1.22.8-3build1), gnome-initial-setup:amd64 (42.0.1-1ubuntu2.3), xserver-xorg-video-amdgpu:amd64 (22.0.0-1ubuntu0.1), xserver-xorg-core:amd64 (2:21.1.4-2ubuntu1.7~22.04.1), gstreamer1.0-gl:amd64 (1.20.1-1ubuntu0.1), vlc:amd64 (3.0.16-1build7), kdeconnect:amd64 (21.12.3-0ubuntu1), gstreamer1.0-clutter-3.0:amd64 (3.0.27-2ubuntu1), libcogl20:amd64 (1.22.8-3build1), xserver-xorg-input-all:amd64 (1:7.7+23ubuntu2), lubuntu-desktop:amd64 (22.04.3), kio-extras:amd64 (4:21.12.3-0ubuntu1), xserver-xorg-video-intel:amd64 (2:2.99.917+git20210115-1), xubuntu-desktop:amd64 (2.241), rhythmbox-plugins:amd64 (3.4.4-5ubuntu1), libclutter-gtk-1.0-0:amd64 (1.8.4-4build2), gir1.2-rb-3.0:amd64 (3.4.4-5ubuntu1), xserver-xorg:amd64 (1:7.7+23ubuntu2), libcheese-gtk25:amd64 (41.1-1build1), xserver-xorg-video-vesa:amd64 (1:2.5.0-1build4), gir1.2-gst-plugins-base-1.0:amd64 (1.20.1-1ubuntu0.1), qtwayland5:amd64 (5.15.3-1), dolphin:amd64 (4:21.12.3-0ubuntu1), konqueror:amd64 (4:21.12.3-0ubuntu1), blinken:amd64 (4:21.12.3-0ubuntu1), ubuntu-desktop:amd64 (1.481.1), gdm3:amd64 (42.0-1ubuntu7.22.04.3), gir1.2-gtkclutter-1.0:amd64 (1.8.4-4build2), totem-plugins:amd64 (42.0-1ubuntu1), gstreamer1.0-gtk3:amd64 (1.20.3-0ubuntu1.1), xserver-xorg-video-radeon:amd64 (1:19.1.0-2ubuntu1), xserver-xorg-input-synaptics:amd64 (1.9.1-1ubuntu3), xserver-xorg-video-vmware:amd64 (1:13.3.0-3build1), epiphany-browser:amd64 (42.4-0ubuntu1), mesa-utils-bin:amd64 (8.4.0-1ubuntu1), xubuntu-core:amd64 (2.241), xserver-xorg-input-libinput:amd64 (1.2.1-1), zenity:amd64 (3.42.1-0ubuntu1), xorg:amd64 (1:7.7+23ubuntu2), libwebkit2gtk-4.1-0:amd64 (2.40.4-0ubuntu0.22.04.1), ubuntu-session:amd64 (42.0-1ubuntu2), libkf5khtml-bin:amd64 (5.92.0-0ubuntu1), libkf5khtml5:amd64 (5.92.0-0ubuntu1), apturl:amd64 (0.5.2ubuntu22), indicator-bluetooth:amd64 (0.0.6+17.10.20170605-0ubuntu3), cheese:amd64 (41.1-1build1), ubuntu-docs:amd64 (22.04.5), xserver-xorg-input-wacom:amd64 (1:1.0.0-3ubuntu1), khelpcenter:amd64 (4:21.12.3-0ubuntu1), mugshot:amd64 (0.4.3-1), libyelp0:amd64 (42.1-1), gnome-control-center:amd64 (1:41.7-0ubuntu0.22.04.7), gir1.2-cheese-3.0:amd64 (41.1-1build1), ubuntu-desktop-minimal:amd64 (1.481.1), yelp:amd64 (42.1-1), vlc-plugin-video-output:amd64 (3.0.16-1build7), libcogl-pango20:amd64 (1.22.8-3build1), nautilus-share:amd64 (0.7.3-2ubuntu6), libcheese8:amd64 (41.1-1build1), mesa-utils:amd64 (8.4.0-1ubuntu1), gir1.2-coglpango-1.0:amd64 (1.22.8-3build1), xserver-xorg-video-all:amd64 (1:7.7+23ubuntu2), xserver-xorg-video-ati:amd64 (1:19.1.0-2ubuntu1), libclutter-1.0-0:amd64 (1.26.4+dfsg-4build1), plasma-framework:amd64 (5.92.0-0ubuntu1), gnome-startup-applications:amd64 (42.0-1ubuntu2), xserver-xorg-video-fbdev:amd64 (1:0.5.0-2build1), bluedevil:amd64 (4:5.24.7-0ubuntu0.1), totem:amd64 (42.0-1ubuntu1), phonon4qt5:amd64 (4:4.11.1-4), libclutter-gst-3.0-0:amd64 (3.0.27-2ubuntu1), phonon4qt5-backend-vlc:amd64 (0.11.3-1), xserver-xorg-video-qxl:amd64 (0.1.5+git20200331-3) End-Date: 2023-08-04 08:46:43 I booted my system, checked everything, then performed full-upgrade knowing it'd upgrade to 6.2 kernel, but I didn't expect removal of my GUI desktop, as all of ubuntu-desktop, xubuntu-desktop & lubuntu-desktop disappeared. My bloated system means I have more packages, but most of my software is from Ubuntu repositories (ie. little 3rd party guiverc@d7050-ubu-lts:~$ ubuntu-security-status This command has been replaced with 'pro security-status'. 3002 packages installed: 2010 packages from Ubuntu Main/Restricted repository 980 packages from Ubuntu Universe/Multiverse repository 2 packages from third parties 10 packages no longer available for download