Linux Mint upgrade gone wrong

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Joined
18 Jun 2020
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356
Location
Warminster
I have a NUC running Linux Mint 21.3 and realised today that I could upgrade to 22. However, the upgrade failed, and I need some help in working out what to do next.

If I now run 'sudo apt update', I get the following errors:

Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies.
apt : Depends: libapt-pkg6.0 (>= 2.4.12)
Depends: libgnutls30 (>= 3.7.0)
apt-utils : Depends: libapt-pkg6.0 (>= 2.4.12)
aptitude : Depends: libapt-pkg6.0 (>= 1.9.11~)
baobab : Depends: libgtk-3-0 (>= 3.24.1)
caribou : Depends: libgtk-3-0 (>= 3.0.0)
celluloid : Depends: libgtk-3-0 (>= 3.22.23)
Recommends: youtube-dl but it is not installable
cinnamon : Depends: libgtk-3-0 (>= 3.9.12)
cinnamon-control-center : Depends: libgtk-3-0 (>= 3.21.5)
cinnamon-screensaver : Depends: libgtk-3-0 (>= 3.22)
cinnamon-session : Depends: libgtk-3-0 (>= 3.0.0)
cinnamon-settings-daemon : Depends: libcanberra-gtk3-0 (>= 0.25)
Depends: libcups2 (>= 1.6.0)
Depends: libgtk-3-0 (>= 3.21.4)
cups : Depends: libcups2 (= 2.4.1op1-1ubuntu4.10)
cups-browsed : Depends: libcups2 (>= 2.2.2)
cups-bsd : Depends: libcups2 (= 2.4.1op1-1ubuntu4.10)
cups-client : Depends: libcups2 (= 2.4.1op1-1ubuntu4.10)
cups-core-drivers : Depends: libcups2 (= 2.4.1op1-1ubuntu4.10)
cups-daemon : Depends: libcups2 (= 2.4.1op1-1ubuntu4.10)
cups-filters : Depends: libcups2 (>= 2.3~b6)
cups-filters-core-drivers : Depends: libcups2 (>= 2.3~b6)
Depends: libpoppler-cpp0v5 (>= 22.02.0)
cups-ipp-utils : Depends: libcups2 (= 2.4.1op1-1ubuntu4.10)
cups-pk-helper : Depends: libcups2 (>= 1.6.0)
cups-ppdc : Depends: libcups2 (>= 2.3~b6)
curl : Depends: libcurl4 (= 7.81.0-1ubuntu1.17)
debugedit : Depends: libdw1 (>= 0.167)
Depends: libelf1 (>= 0.144)
dirmngr : Depends: libgnutls30 (>= 3.7.2)
docker-compose : Depends: python3-distutils but it is not going to be installed
dwz : Depends: libelf1 (>= 0.131)
evolution-data-server : Depends: libcanberra-gtk3-0 (>= 0.25)
Depends: libgtk-3-0 (>= 3.10)
file-roller : Depends: libarchive13 (>= 3.3.3)
Depends: libgtk-3-0 (>= 3.21.5)
flatpak : Depends: libarchive13 (>= 3.0.4)
fwupd : Depends: libfwupdplugin5 (= 1.7.9-1~22.04.3) but it is not going to be installed
Depends: libcurl3-gnutls (>= 7.63.0)
Depends: libgnutls30 (>= 3.7.3)
gcr : Depends: libgtk-3-0 (>= 3.22.0)
gdb : Depends: libdebuginfod1 (>= 0.180)
ghostscript : Depends: libgs9 (= 9.55.0~dfsg1-0ubuntu5.9) but it is not going to be installed
gir1.2-gnomedesktop-3.0 : Depends: libgnome-desktop-3-19 (>= 42~beta) but it is not going to be installed
gir1.2-gtk-3.0 : Depends: libgtk-3-0 (>= 3.24.24)
gir1.2-matedesktop-2.0 : Depends: libmate-desktop-2-17 (= 1.26.0-1)
git : Depends: libcurl3-gnutls (>= 7.56.1)
gkbd-capplet : Depends: libgtk-3-0 (>= 3.9.10)
glib-networking : Depends: libgnutls30 (>= 3.7.3)
gnome-calculator : Depends: libgtk-3-0 (>= 3.24.1)
gnome-calendar : Depends: libgtk-3-0 (>= 3.22.20)
gnome-disk-utility : Depends: libcanberra-gtk3-0 (>= 0.25)
Depends: libgtk-3-0 (>= 3.21.5)
gnome-logs : Depends: libgtk-3-0 (>= 3.22.0)
gnome-online-accounts : Depends: libgtk-3-0 (>= 3.19.12)
Recommends: gnome-control-center (>= 3.6.1) but it is not going to be installed
gnome-power-manager : Depends: libgtk-3-0 (>= 3.4.0)
gnome-screenshot : Depends: libgtk-3-0 (>= 3.21.4)
gnome-session-canberra : Depends: libcanberra-gtk3-0 (>= 0.25)
Depends: libgtk-3-0 (>= 3.0.0)
gnome-system-monitor : Depends: libgtk-3-0 (>= 3.22.0)
Depends: libgtkmm-3.0-1v5 (>= 3.24.5)
gnome-terminal : Depends: libgtk-3-0 (>= 3.23.0)
Recommends: nautilus-extension-gnome-terminal but it is not going to be installed
gparted : Depends: libgtk-3-0 (>= 3.21.4)
Depends: libgtkmm-3.0-1v5 (>= 3.24.5)
gstreamer1.0-gtk3 : Depends: libgtk-3-0 (>= 3.16.2)
gstreamer1.0-plugins-bad : Depends: libcurl3-gnutls (>= 7.55.0)
Depends: libspandsp2 (>= 0.0.6~pre18)
Depends: libzbar0 (>= 0.10)
gucharmap : Depends: libgtk-3-0 (>= 3.4.0)
gvfs-backends : Depends: libarchive13 (>= 3.0.4)
Depends: libgphoto2-6 (>= 2.5.10)
Depends: libsmbclient (>= 2:4.12.0+dfsg)
hexchat : Depends: libgtk2.0-0 (>= 2.24.0)
Recommends: hexchat-perl but it is not going to be installed
Recommends: hexchat-plugins but it is not going to be installed
Recommends: hexchat-python3 but it is not going to be installed
hplip : Depends: libcups2 (>= 1.6.0)
iproute2 : Depends: libelf1 (>= 0.131)
kerneloops : Depends: libcurl3-gnutls (>= 7.16.2)
libappstream-glib8 : Depends: libarchive13 (>= 3.0.4)
libappstream4 : Depends: libcurl3-gnutls (>= 7.63.0)
libapt-pkg-perl : Depends: libapt-pkg6.0 (>= 2.1.20)
libavformat58 : Depends: libgnutls30 (>= 3.7.2)
libayatana-appindicator3-1 : Depends: libgtk-3-0 (>= 3.0.0)
libayatana-ido3-0.4-0 : Depends: libgtk-3-0 (>= 3.21.4)
libayatana-indicator3-7 : Depends: libgtk-3-0 (>= 3.21.4)
libbabeltrace1 : Depends: libdw1 (>= 0.126)
Depends: libelf1 (>= 0.131)
libbpf0 : Depends: libelf1 (>= 0.142)
libbrasero-media3-1 : Depends: libcanberra-gtk3-0 (>= 0.25)
Depends: libgtk-3-0 (>= 3.0.0)
libcanberra-gtk3-module : Depends: libcanberra-gtk3-0 (>= 0.25)
Depends: libgtk-3-0 (>= 3.2.2-3)
libcaribou0 : Depends: libgtk-3-0 (>= 3.0.0)
libchamplain-0.12-0 : Depends: libgtk-3-0 (>= 3.0.0)
libchamplain-gtk-0.12-0 : Depends: libgtk-3-0 (>= 3.0.0)
libcinnamon-control-center1 : Depends: libgtk-3-0 (>= 3.16)
libcinnamon-desktop4 : Depends: libgtk-3-0 (>= 3.21.4)
libclutter-1.0-0 : Depends: libgtk-3-0 (>= 3.16.2)
libclutter-gtk-1.0-0 : Depends: libgtk-3-0 (>= 3.21.0)
libcmis-0.5-5v5 : Depends: libcurl3-gnutls (>= 7.16.2)
libcscreensaver0 : Depends: libgtk-3-0 (>= 3.22)
libcupsfilters1 : Depends: libcups2 (>= 2.3~b6)
libdazzle-1.0-0 : Depends: libgtk-3-0 (>= 3.24)
libedataserverui-1.2-3 : Depends: libgtk-3-0 (>= 3.16.2)
libflatpak0 : Depends: libarchive13 (>= 3.0.4)
libfwupd2 : Depends: libcurl3-gnutls (>= 7.63.0)
libgail-common : Depends: libgail18 (= 2.24.33-2ubuntu2.1)
Depends: libgtk2.0-0 (>= 2.24.0)
libgcr-ui-3-1 : Depends: libgtk-3-0 (>= 3.22.0)
libgl1-mesa-dri : Depends: libelf1 (>= 0.142)
libglib2.0-bin : Depends: libelf1 (>= 0.142)
Depends: libglib2.0-0 (= 2.72.4-0ubuntu2.3)
libgnomekbd8 : Depends: libgtk-3-0 (>= 3.0.0)
libgoa-backend-1.0-1 : Depends: libgtk-3-0 (>= 3.19.12)
libgspell-1-2 : Depends: libgtk-3-0 (>= 3.20)
libgstreamer1.0-0 : Depends: libdw1 (>= 0.126)
libgtk-3-bin : Depends: libgtk-3-0 (>= 3.24.33-1ubuntu2.2)
libgtk-layer-shell0 : Depends: libgtk-3-0 (>= 3.21.4)
libgtk2.0-bin : Depends: libgtk2.0-0 (= 2.24.33-2ubuntu2.1)
libgtksourceview-3.0-1 : Depends: libgtk-3-0 (>= 3.19.12)
libgtksourceview-4-0 : Depends: libgtk-3-0 (>= 3.24)
libgucharmap-2-90-7 : Depends: libgtk-3-0 (>= 3.16.2)
libgweather-3-16 : Depends: libgtk-3-0 (>= 3.13.5)
libhandy-0.0-0 : Depends: libgtk-3-0 (>= 3.21.5)
libhandy-1-0 : Depends: libgtk-3-0 (>= 3.23.1)
libhpmud0 : Depends: libcups2 (>= 1.6.0)
Depends: libsnmp40 (>= 5.9.1+dfsg)
libjcat1 : Depends: libgnutls30 (>= 3.7.0)
libkeybinder-3.0-0 : Depends: libgtk-3-0 (>= 3.0.0)
libldap-2.5-0 : Depends: libgnutls30 (>= 3.7.2)
libldb2 : Depends: libtevent0 (>= 0.10.2~)
libmate-panel-applet-4-1 : Depends: libgtk-3-0 (>= 3.21.5)
libmetacity3 : Depends: libgtk-3-0 (>= 3.24.6)
libmpv1 : Depends: libarchive13 (>= 3.4.0)
Recommends: youtube-dl (>= 2014.11.26) but it is not installable
libmuffin0 : Depends: libgtk-3-0 (>= 3.19.12)
libnautilus-extension1a : Depends: libgtk-3-0 (>= 3.22.27)
libnemo-extension1 : Depends: libgtk-3-0 (>= 3.10)
libneon27-gnutls : Depends: libgnutls30 (>= 3.7.2)
libnice10 : Depends: libgnutls30 (>= 3.7.0)
libnm0 : Depends: libgnutls30 (>= 3.7.2)
libnma0 : Depends: libgtk-3-0 (>= 3.21.5)
libostree-1-1 : Depends: libarchive13 (>= 3.0.4)
libpeas-1.0-0 : Depends: libgtk-3-0 (>= 3.21.5)
libqpdf28 : Depends: libgnutls30 (>= 3.7.0)
libqt5svg5 : Depends: libqt5core5a (>= 5.15.3+dfsg~)
Depends: libqt5gui5 (>= 5.15.3+dfsg~) or
libqt5gui5-gles (>= 5.15.3+dfsg~) but it is not going to be installed
Depends: libqt5widgets5 (>= 5.15.3+dfsg~)
Depends: qtbase-abi-5-15-3
libraptor2-0 : Depends: libcurl3-gnutls (>= 7.16.2)
libreoffice-base : Depends: libuno-cppuhelpergcc3-3 (>= 4.0.0~alpha)
libreoffice-base-core : Depends: libuno-cppuhelpergcc3-3 (>= 5.3.0~alpha)
libreoffice-base-drivers : Depends: libuno-cppuhelpergcc3-3 (>= 5.3.0~alpha)
Recommends: libreoffice-sdbc-firebird but it is not going to be installed
libreoffice-calc : Depends: libuno-cppuhelpergcc3-3 (>= 4.0.0~alpha)
libreoffice-core : Depends: libcups2 (>= 1.7.0)
Depends: libcurl3-gnutls (>= 7.68.0)
Depends: libuno-cppuhelpergcc3-3 (>= 5.3.0~alpha)
libreoffice-draw : Depends: libuno-cppuhelpergcc3-3 (>= 5.3.0~alpha)
libreoffice-gnome : Depends: libuno-cppuhelpergcc3-3 (>= 4.0.0~alpha)
Recommends: libreoffice-style-elementary but it is not going to be installed
libreoffice-gtk3 : Depends: libgtk-3-0 (>= 3.21.5)
Depends: libuno-cppuhelpergcc3-3 (>= 4.0.0~alpha)
libreoffice-impress : Depends: libuno-cppuhelpergcc3-3 (>= 5.3.0~alpha)
libreoffice-math : Depends: libuno-cppuhelpergcc3-3 (>= 4.0.0~alpha)
libreoffice-sdbc-hsqldb : Depends: libuno-cppuhelpergcc3-3 (>= 5.3.0~alpha)
libreoffice-writer : Depends: libuno-cppuhelpergcc3-3 (>= 5.3.0~alpha)
librhythmbox-core10 : Depends: libgtk-3-0 (>= 3.20.0)
librtmp1 : Depends: libgnutls30 (>= 3.7.2)
libsane-hpaio : Depends: libcups2 (>= 1.6.0)
libsane1 : Depends: libcurl3-gnutls (>= 7.16.2)
Depends: libgphoto2-6 (>= 2.5.10)
Depends: libpoppler-glib8 (>= 0.18.0)
Depends: libsnmp40 (>= 5.9.1+dfsg)
libspectre1 : Depends: libgs9 (>= 9.53.0~dfsg) but it is not going to be installed
libsrt1.4-gnutls : Depends: libgnutls30 (>= 3.7.0)
libtimezonemap1 : Depends: libgtk-3-0 (>= 3.1.4)
libtotem-plparser18 : Depends: libarchive13 (>= 3.0.4)
libvte-2.91-0 : Depends: libgnutls30 (>= 3.7.2)
Depends: libgtk-3-0 (>= 3.24.22)
libwbclient0 : Depends: libgnutls30 (>= 3.7.0)
Depends: libtevent0 (>= 0.11.0~)
libwebkit2gtk-4.0-37 : Depends: libgtk-3-0 (>= 3.23.0)
libwebkit2gtk-4.1-0 : Depends: libgtk-3-0 (>= 3.23.0)
libwnck-3-0 : Depends: libgtk-3-0 (>= 3.22.0)
libxapp1 : Depends: libgtk-3-0 (>= 3.21.5)
libxreaderdocument3 : Depends: libarchive13 (>= 3.6.0)
Depends: libgtk-3-0 (>= 3.21.4)
Depends: libgxps2 (>= 0.2.1)
Depends: libpoppler-glib8 (>= 20.09.0)
libxreaderview3 : Depends: libgail-3-0 (>= 3.0.0)
Depends: libgtk-3-0 (>= 3.19.12)
libyelp0 : Depends: libgtk-3-0 (>= 3.13.3)
linux-headers-5.15.0-100-generic : Depends: libelf1 (>= 0.142)
linux-headers-5.15.0-119-generic : Depends: libelf1 (>= 0.142)
ltrace : Depends: libelf1 (>= 0.131)
mate-desktop : Depends: libmate-desktop-2-17 (>= 1.10.0)
Depends: libgtk-3-0 (>= 3.0.0)
Recommends: mate-user-guide but it is not going to be installed
mate-panel : Depends: libgtk-3-0 (>= 3.21.5)
Depends: libmate-desktop-2-17 (>= 1.24)
Depends: libmateweather1 (>= 1.18)
mate-polkit : Depends: libgtk-3-0 (>= 3.16.2)
mesa-va-drivers : Depends: libelf1 (>= 0.142)
mesa-vdpau-drivers : Depends: libelf1 (>= 0.142)
mesa-vulkan-drivers : Depends: libelf1 (>= 0.142)
metacity : Depends: libcanberra-gtk3-0 (>= 0.25)
Depends: libgtk-3-0 (>= 3.24.6)
mousetweaks : Depends: libgtk-3-0 (>= 3.0.0)
mpv : Depends: libarchive13 (>= 3.4.0)
nemo : Depends: libgail-3-0 (>= 3.0.0)
Depends: libgtk-3-0 (>= 3.21.5)
nemo-share : Depends: libgtk-3-0 (>= 3.0.0)
network-manager : Depends: libcurl3-gnutls (>= 7.24.0)
Depends: libgnutls30 (>= 3.7.2)
network-manager-gnome : Depends: libgtk-3-0 (>= 3.10)
network-manager-openvpn-gnome : Depends: libgtk-3-0 (>= 3.4)
network-manager-pptp-gnome : Depends: libgtk-3-0 (>= 3.4)
ntfs-3g : Depends: libgnutls30 (>= 3.7.2)
Depends: libntfs-3g89 (= 1:2021.8.22-3ubuntu1.2)
onboard : Depends: libgtk-3-0 (>= 3.9.10)
Recommends: onboard-data (>= 1.4.1+mint2+vanessa) but it is not going to be installed
openjdk-11-jre-headless : Depends: libcups2
packagekit : Depends: libapt-pkg6.0 (>= 1.9.2)
pix : Depends: libgtk-3-0 (>= 3.21.5)
Recommends: libgphoto2-6
policykit-1-gnome : Depends: libgtk-3-0 (>= 3.0.0)
printer-driver-brlaser : Depends: libcups2 (>= 2.3~b6)
printer-driver-c2esp : Depends: libcups2 (>= 2.3~b6)
printer-driver-foo2zjs : Depends: libcups2 (>= 1.4.0)
printer-driver-gutenprint : Depends: libcups2 (>= 2.3~b6)
printer-driver-hpcups : Depends: libcups2 (>= 2.3~b6)
printer-driver-postscript-hp : Depends: libcups2 (>= 1.4.0)
printer-driver-ptouch : Depends: libcups2 (>= 2.3~b6)
printer-driver-splix : Depends: libcups2 (>= 1.4.0)
Depends: libcupsimage2 (>= 1.4.0)
python-nemo : Depends: libgtk-3-0 (>= 3.0.0)
python3-apt : Depends: libapt-pkg6.0 (>= 1.9.11~)
python3-cups : Depends: libcups2 (>= 1.7.0)
python3-dev : Depends: python3-distutils (>= 3.10.6-1~) but it is not going to be installed
python3-pycurl : Depends: libcurl3-gnutls (>= 7.81.0)
python3-samba : Depends: libgnutls30 (>= 3.7.0)
Depends: libtevent0 (>= 0.11.0~)
python3-uno : Depends: libuno-cppuhelpergcc3-3 (>= 5.3.0~alpha)
python3-venv : Depends: python3.10-venv (>= 3.10.6-1~) but it is not going to be installed
Depends: python3-distutils (>= 3.10.6-1~) but it is not going to be installed
qt5-gtk-platformtheme : Depends: libgtk-3-0 (>= 3.9.10)
Depends: libqt5core5a (>= 5.15.1)
Depends: libqt5dbus5 (>= 5.14.1)
Depends: libqt5gui5 (>= 5.14.1) or
libqt5gui5-gles (>= 5.14.1) but it is not going to be installed
Depends: qtbase-abi-5-15-3
qt5-gtk2-platformtheme : Depends: libgtk2.0-0 (>= 2.24.0)
Depends: libqt5core5a (>= 5.15.1)
Depends: libqt5dbus5 (>= 5.14.1)
Depends: libqt5gui5 (>= 5.14.1) or
libqt5gui5-gles (>= 5.14.1) but it is not going to be installed
Depends: libqt5widgets5 (>= 5.10.0)
Depends: qtbase-abi-5-15-3
qt5-style-plugin-cleanlooks : Depends: libqt5core5a (>= 5.15.1)
Depends: libqt5gui5 (>= 5.14.1) or
libqt5gui5-gles (>= 5.14.1) but it is not going to be installed
Depends: libqt5widgets5 (>= 5.0.2)
qt5-style-plugin-motif : Depends: libqt5core5a (>= 5.15.1)
Depends: libqt5gui5 (>= 5.14.1) or
libqt5gui5-gles (>= 5.14.1) but it is not going to be installed
Depends: libqt5widgets5 (>= 5.0.2)
qt5-style-plugin-plastique : Depends: libqt5core5a (>= 5.15.1)
Depends: libqt5gui5 (>= 5.14.1) or
libqt5gui5-gles (>= 5.14.1) but it is not going to be installed
Depends: libqt5widgets5 (>= 5.0.2)
Depends: qtbase-abi-5-15-3
qt5ct : Depends: libqt5core5a (>= 5.15.1)
Depends: libqt5dbus5 (>= 5.14.1)
Depends: libqt5gui5 (>= 5.10.0) or
libqt5gui5-gles (>= 5.10.0) but it is not going to be installed
Depends: libqt5widgets5 (>= 5.9~)
Depends: qtbase-abi-5-15-3
rhythmbox : Depends: libgtk-3-0 (>= 3.20.0)
Recommends: rhythmbox-plugin-alternative-toolbar but it is not going to be installed
rhythmbox-plugins : Depends: libgtk-3-0 (>= 3.20.0)
samba-common-bin : Depends: libgnutls30 (>= 3.7.0)
Depends: libtevent0 (>= 0.11.0~)
Recommends: samba-dsdb-modules but it is not going to be installed
samba-libs : Depends: libcups2 (>= 1.7.0)
Depends: libgnutls30 (>= 3.7.3)
Depends: libtevent0 (>= 0.11.0~)
sane-airscan : Depends: libgnutls30 (>= 3.7.0)
seahorse : Depends: libgtk-3-0 (>= 3.24)
simple-scan : Depends: libgtk-3-0 (>= 3.21.5)
slick-greeter : Depends: libgtk-3-0 (>= 3.21.6)
smbclient : Depends: libarchive13 (>= 3.0.4)
Depends: libgnutls30 (>= 3.7.0)
Depends: libsmbclient (>= 2:4.10.0+dfsg)
Depends: libtevent0 (>= 0.11.0~)
synaptic : Depends: libapt-pkg6.0 (>= 1.9~)
Depends: libept1.6.0 (>= 1.2.1)
Depends: libgtk-3-0 (>= 3.11.7)
system-config-printer-udev : Depends: libcups2 (>= 1.6.0)
systemd : Depends: libgnutls30 (>= 3.7.2)
systemd-coredump : Depends: libdw1 (>= 0.158)
Depends: libelf1 (>= 0.144)
timeshift : Depends: libgtk-3-0 (>= 3.16.2)
touchegg : Depends: libgtk-3-0 (>= 3.19.12)
transmission-gtk : Depends: libcurl4 (>= 7.18.0)
Depends: libgtk-3-0 (>= 3.21.5)
ure : Depends: libuno-cppuhelpergcc3-3 (>= 4.0.0~alpha)
ure-java : Depends: libuno-cppuhelpergcc3-3 (>= 1.4.0)
xdg-desktop-portal-gtk : Depends: libgtk-3-0 (>= 3.21.5)
xdg-user-dirs-gtk : Depends: libgtk-3-0 (>= 3.0.0)
xed : Depends: libgtk-3-0 (>= 3.21.5)
xplayer-thumbnailer : Depends: libgtk-3-0
xreader : Depends: libgtk-3-0 (>= 3.21.5)
xviewer : Depends: libgtk-3-0 (>= 3.13.7)
xviewer-plugins : Depends: libgtk-3-0 (>= 3.3.16)
yelp : Depends: libgtk-3-0 (>= 3.13.3)
zenity : Depends: libgtk-3-0 (>= 3.19.12)
E: Broken packages

This seems like a whole load of errors, hence me reaching out for some help! Is it as simple as reinstalling all the packages which are marked as dependancies?
 
If your upgrade failed, I would rollback - the previous version should be available for selection, or at least the kernel should be. You could go through fixing all of the dependencies', but if it's done via a full upgrade then you might be there for a while and still not have a stable system. Did you happen to take a backup?
Sorry, was offline over the long bank hol weekend.

Yeah I did take a backup, and managed successfully to revert back to it...will investigate the upgrade again this evening!

Did you make a Timeshift backup during the upgrade when it prompted you to? As @Throrik said, rollback if you can as a first step.
Sorry, was offline over the long bank hol weekend.

Yeah I did take a backup, and managed successfully to revert back to it...will investigate the upgrade again this evening!

Have you tried this article on updating from 21.3? https://linuxmint-user-guide.readthedocs.io/en/latest/upgrade-to-mint-22.html

There seem to be a few articles on the Linux Mint forums which seem to be similar to yours, people trying to update 21.3 to 22 and getting errors.
Sorry, was offline over the long bank hol weekend.

Interesting! Will do some reading and see if I can work out what's going on. Cheers!

Did you install and run mintupgrade ? Wonder if you are still pointing to old repositories....?
Sorry, was offline over the long bank hol weekend.

Yeah I did everything 'correctly'...will give it another go later
 
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