I managed to sudo dpkg -i ./libglib2.0-0t64_2.80.0-6ubuntu1_amd64.deb As per suggestion from Juliank. Sadly it's all still a bit of a mess.. alan@ziggy:~/2063219$ sudo apt --fix-broken install Reading package lists... Done Building dependency tree... Done Reading state information... Done Correcting dependencies... failed. The following packages have unmet dependencies. at-spi2-core : Depends: libatspi2.0-0t64 (>= 2.9.90) but it is not installed gir1.2-atspi-2.0 : Depends: libatspi2.0-0t64 (>= 2.52.0-1build1) but it is not installed gobject-introspection : Depends: libglib2.0-dev (>= 2.80.0) but 2.78.0-2 is installed gobject-introspection-bin : Depends: python3 (>= 3.12~) but 3.11.4-5 is installed Depends: libelf1t64 (>= 0.144) but it is not installed libatspi2.0-dev : Depends: libatspi2.0-0t64 (= 2.52.0-1build1) but it is not installed libegl-mesa0 : Depends: libglapi-mesa (= 24.0.5-1ubuntu1) but 23.2.1-1ubuntu3 is installed libegl-mesa0:i386 : Depends: libglapi-mesa:i386 (= 24.0.5-1ubuntu1) but 23.2.1-1ubuntu3 is installed libglib2.0-bin : Depends: libglib2.0-0 (= 2.78.0-2) libglib2.0-dev : Depends: libglib2.0-0 (= 2.78.0-2) libglib2.0-dev-bin : Depends: python3-distutils but it is not installable Depends: libglib2.0-0 (= 2.78.0-2) libglx-mesa0 : Depends: libglapi-mesa (= 24.0.5-1ubuntu1) but 23.2.1-1ubuntu3 is installed libglx-mesa0:i386 : Depends: libglapi-mesa:i386 (= 24.0.5-1ubuntu1) but 23.2.1-1ubuntu3 is installed libice-dev : Depends: libice6 (= 2:1.0.10-1build3) but 2:1.0.10-1build2 is installed libmutter-13-0 : Depends: mutter-common-bin (= 45.0-3ubuntu3) but 46.0-1ubuntu9 is installed libosmesa6 : Depends: libglapi-mesa (= 24.0.5-1ubuntu1) but 23.2.1-1ubuntu3 is installed libosmesa6:i386 : Depends: libglapi-mesa:i386 (= 24.0.5-1ubuntu1) but 23.2.1-1ubuntu3 is installed libpng-dev : Depends: libpng16-16t64 (= 1.6.43-5build1) but it is not installed libpython3-stdlib : Depends: libpython3.12-stdlib (>= 3.12.3-0~) but it is not installed libpython3.12-dev : Depends: libpython3.12-stdlib (= 3.12.3-1) but it is not installed Depends: libpython3.12t64 (= 3.12.3-1) but it is not installed libreoffice-common : Depends: libreoffice-uiconfig-common (= 4:7.6.4-0ubuntu0.23.10.1) but 4:24.2.2-0ubuntu1 is installed libssl-dev : Depends: libssl3 (= 3.0.10-1ubuntu2.3) libvlc5 : Depends: libvlccore9 (>= 3.0.20) but 3.0.18-4 is installed libxt-dev : Depends: libxt6t64 (= 1:1.2.1-1.2build1) but it is not installed libyelp0 : Depends: libgtk-3-0t64 (>= 3.13.3) but it is not installed mesa-va-drivers : Depends: libelf1t64 (>= 0.142) but it is not installed mesa-va-drivers:i386 : Depends: libelf1t64:i386 (>= 0.142) but it is not installed mesa-vdpau-drivers : Depends: libelf1t64 (>= 0.142) but it is not installed mesa-vdpau-drivers:i386 : Depends: libelf1t64:i386 (>= 0.142) but it is not installed mesa-vulkan-drivers : Depends: libelf1t64 (>= 0.142) but it is not installed mesa-vulkan-drivers:i386 : Depends: libelf1t64:i386 (>= 0.142) but it is not installed python3 : PreDepends: python3-minimal (= 3.11.4-5) but 3.12.3-0ubuntu1 is installed Depends: libpython3-stdlib (= 3.11.4-5) but 3.12.3-0ubuntu1 is installed python3-all : Depends: python3 (= 3.12.3-0ubuntu1) but 3.11.4-5 is installed python3-all-dev : Depends: python3 (= 3.12.3-0ubuntu1) but 3.11.4-5 is installed python3-dev : Depends: python3 (= 3.12.3-0ubuntu1) but 3.11.4-5 is installed python3-talloc : Depends: python3 (>= 3.12~) but 3.11.4-5 is installed Depends: libpython3.12t64 (>= 3.12.1) but it is not installed python3.12 : Depends: libpython3.12-stdlib (= 3.12.3-1) but it is not installed python3.12-dev : Depends: libpython3.12t64 (= 3.12.3-1) but it is not installed rlwrap : Depends: libreadline8t64 (>= 6.3) but it is not installed squid : Depends: libgnutls30t64 (>= 3.8.1) but it is not installed Depends: libnettle8t64 but it is not installed texlive-binaries : Depends: libpng16-16t64 (>= 1.6.2) but it is not installed Depends: libxt6t64 but it is not installed thunderbird-locale-en : Depends: thunderbird (>= 2:1snap1-0ubuntu3) but 1:115.9.0+build1-0ubuntu0.23.10.1 is installed vim : Depends: vim-runtime (= 2:9.0.1672-1ubuntu2.3) but 2:9.1.0016-1ubuntu7 is installed vim-gtk3 : Depends: vim-runtime (= 2:9.0.1672-1ubuntu2.3) but 2:9.1.0016-1ubuntu7 is installed vim-tiny : Depends: vim-common (= 2:9.1.0016-1ubuntu7) but 2:9.0.1672-1ubuntu2.3 is installed vlc : Depends: vlc-bin (= 3.0.18-4) but 3.0.20-3build6 is installed Recommends: vlc-plugin-access-extra (= 3.0.18-4) but 3.0.20-3build6 is installed Recommends: vlc-plugin-video-splitter (= 3.0.18-4) but 3.0.20-3build6 is installed Recommends: vlc-plugin-visualization (= 3.0.18-4) but 3.0.20-3build6 is installed vlc-plugin-access-extra : Depends: libvlccore9 (>= 3.0.20) but 3.0.18-4 is installed Depends: vlc-plugin-abi-3-0-0ft64 vlc-plugin-base : Depends: vlc-data (= 3.0.18-4) but 3.0.20-3build6 is installed vlc-plugin-video-splitter : Depends: libvlccore9 (>= 3.0.20) but 3.0.18-4 is installed Depends: vlc-plugin-abi-3-0-0ft64 vlc-plugin-visualization : Depends: libvlccore9 (>= 3.0.20) but 3.0.18-4 is installed Depends: vlc-plugin-abi-3-0-0ft64 wesnoth-1.16-core : Depends: libreadline8t64 (>= 6.0) but it is not installed wpasupplicant : Depends: libreadline8t64 (>= 6.0) but it is not installed x11-session-utils : Depends: libxt6t64 (>= 1:1.1.0) but it is not installed x11-utils : Depends: libxt6t64 (>= 1:1.1.0) but it is not installed Recommends: luit but it is not installable x11-xkb-utils : Depends: libxt6t64 but it is not installed x11-xserver-utils : Depends: libxt6t64 but it is not installed xdg-desktop-portal-gtk : Depends: libgtk-3-0t64 (>= 3.21.5) but it is not installed xdg-user-dirs-gtk : Depends: libgtk-3-0t64 (>= 3.16.2) but it is not installed xterm : Depends: libxt6t64 but it is not installed Recommends: luit but it is not installable or x11-utils (< 7.7+6~) yad : Depends: libgtk-3-0t64 (>= 3.21.6) but it is not installed yelp : Depends: libatk1.0-0t64 (>= 1.12.4) but it is not installed Depends: libgtk-3-0t64 (>= 3.13.3) but it is not installed yorick-z : Depends: libpng16-16t64 (>= 1.6.2) but it is not installed E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages. E: Unable to correct dependencies alan@ziggy:~/2063219$