I print on HP 570 using the ONYX Thrive RIP, after color calibration - onyx gives a software error and closes. Only changing the ISS color profile helps.

#1 ANTARES I would delete the entire media library associated to the printer on the RIP PC and let the RIP reinstall all media profiles after a reboot. Failing this the Onyx Software would be best to be reinstalled. Check for any recent Windows updates and fixes if applicable as well. I trust this helps you and please post any results good or bad.