Output Corrupt or Simply Won't Output.

In Capture One 11 and in 12 the process button often yields no response. When it does work the output image is most often half noise (about 1/3 the center of the image is a horizontal band of noise). Sometimes output is an 8k file with an message box telling me the file cannot be output.

This happened quite suddenly, sporadically and has grown worse and worse till now Capture One is unusable.

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Another problem is connecting to my Nikon D800. It often will not connect. Once it does it's pretty solid, but it can take dozens of tries and sometimes an hour of fiddling.

I love Capture One. I hope it doesn't let me down. I need it.