Before changing the config, GNOME Boxes is NOT allowed to run in the background. https://cdn.masto.host/rubysocial/media_attachments/files/109/937/939/647/860/060/original/429632261e07bb38.jpg
@jorge I "found" a thing that makes #GNOME Boxes more reliable: You need to allow it to run in the background.I have heard about a new background utility for GNOME, but in my old #Debian GNOME, this can be done in Settings > Applications > Boxes.