Please note that the app on its latest version 17.0.42 for OS > 10.10 crashes on my Mac at launching.
No way to move forward.
Would you please update the download zone?
Finally, I managed to have this crash fixed:
I removed all references to LTSpice as proposed in previous posts = app + folder in Library +folder in Documents
I also add to manually give access to Documents folder to the app in the Security & Confidentiality