Seriously no idea what is going on and why it freezes while processing and I don’t want to guess , beside I only use Windows.
Please write to customer@revopoint3d.com
Include info about your operation system and scanner you use and for faster support record the error on your screen if possible if not try using your phone and send it for evaluation.
I will tag in @Revopoint-Jane
Just in case to check on this later this evening.