When you start LOGO! Soft Comfort, the windows opens only briefly. It closes again after a few seconds.
Open LOGO! Soft Comfort with the command bar (the command bar is in the Terminal.atp under applications/utilities).
If the error message "Segmentation fault" is displayed, the behavior is due to Java crashing when opening LOGO! Soft Comfort.
Update your system using the "sudo update_prebinding -root' / -force" command entered in the terminal.
Logo, Mac OS, Logo Soft Comfort