This can happen with some combinations of host OS and applications. That is why the setup guide tells you: Click “Start” to save the settings and to start BasiliskII. If BasiliskII does not start and/or the GUI does not quit, click Start or Save in the GUI to save the settings, quit the GUI applica...

After what I thought was following the setup guide line for line, I attempt to start BasiliskII through the GUI and get https://i.imgur.com/DYqWOen.png Is there a way to figure out WHICH file it is that doesn't exist? Where is it looking for BasiliskII? Does the folder need to be NAMED BasiliskII? D...

Ah, I was thrown off by the numbering 11 and 12. Mojave is 10.14, after all…

I thought I followed the setup instructions. I guess I'll have to take another stab at it.

So, I'm not in the OS range specified up top, so this isn't exactly what you asked for: Early 2015 Macbook Air (using Intel i7), running 10.14.6 (Mojave) So it shouldn't be a big shock that all versions fail - the 21-04-01, the 21-08-01, and the 21-11-13 Is there anything that might work on this OS ...