It's a learning process, too many desktops can have ill effects. A reinstall is a sure way to clean it all out. I show those two python packages as not installed, don't know whats up with that.
Maybe something like GnomeBoxes would be of interest to you. With virtual machines you can test and experiment without ever putting your primary installation at risk.
Code:
sudo apt install gnome-boxes
https://www.lifewire.com/guide-to-gnome-boxes-2202073
Don't forget to mark your thread as solved.
https://wiki.ubuntu.com/UnansweredPo.../SolvedThreads
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