Thanks Rob. Got a little bit further. The Verbose logging in Ekos did not say anything other than that the driver crashed. But the Device Manager gave some clues. It said that libusb-1.0.0.dylib was not loaded, because libqhyccd.21.dylib requires version 4.0.0 and the version installed is libusb-1.0.0.dylib. See attached the log-file.

Based on that, I tried the following:
Updating libusb-1.0.0 with 'brew install libusb': no success (probably because the in-app embedded version is used anyway?)
Copied a libusb-1.0.0 from another Mac that has a working version: no success
Fresh install from KStars 3.5.5.img (again): no success

Would this give you any clues of what is wrong, and how to solve it?

Many thanks, Willem Jan.
 



 

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