On 2024-04-15, gene heskett <gheskett@shentel.net> wrote: > For the last 2 or 3 reboots, when launching t-bird, I get 2 copies of > the gui stacked on top of each other. I can move them separately to 2 > separate workspaces, and both appear to work for some definition of > working, but quitting one actually quits both. > Have you tried *closing* one of the two windows, *quitting* the remaining one, and then restarting your bird?