I accidentally downloaded the wrong architecture. Solution: Don't attempt to install an ARM ISO on an AMD computer. It will fail immediately. Delete the ISO and re-download the correct amd64 version.
📍 : While 20.04 is still supported, it is no longer the "current" LTS. You can find the ISO images on the official Ubuntu MATE downloads page or via the Ubuntu alternative downloads section. If you'd like, I can help you: Decide between 20.04 LTS and the newer 24.04 LTS . Create a bootable USB drive for the installation. ubuntu mate 20.04 download
: Integrated daemon from Feral Interactive to optimize system performance for gaming. I accidentally downloaded the wrong architecture
sudo apt update && sudo apt full-upgrade -y Delete the ISO and re-download the correct amd64 version
sudo apt update && sudo apt upgrade -y
: An experimental option to install the system on the ZFS file system is available in the installer for advanced data integrity and snapshot capabilities. Checking Out Ubuntu MATE 20.04