Purple showin on b&w picture

When applying extreme noise reduction on a black and photo it puts two purple spots on the picture. Going down to strong or normal removes the purple spots, is there a fix for this?

There is a known bug with greyscale/B&W where the output file is invalid. I made a task for my team to look into this and hopefully we can get a fix soon.

For now, a solution would be to convert the image to color, process it in Topaz Photo AI with color, then take the output file and convert it back to B&W.

Let me know if that workaround is functioning for you.

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I think that workaround will work for now, I only have a few so the added step won’t be too bad. Thank you for looking into it!