hey ajb2k3, I have python 3.10 and MaxOS monterey 12.6.1. When i click on the Erase, it get the error in the screenshot or the 3 dots indicating a process is in progress but the process loops indefinitely. Not sure what process is looping but it seems M5burner is trying to connect to the com port of the Core 2 but never gets a response.
might be an OS bug as I swapped over to a windows laptop and i was able to download the image but after hard resetting the usb c to stay up - article here
I have a working Core 2 again - happy user :-)