Yes I'm seeing the exact same thing only with my new ZWO camera as my other one is working just fine.
Weather has stopped me testing a work around of not enabling the FITS viewer during an imaging run. It's on this thread here FYI including Jasem's advice on disabling the FITS viewer. I suspect solving one will solve both our issues. indilib.org/forum/stellarmate/8620-zwo-2...-two-subs.html#66080