Sharpen v4.1 colour cast on exported TIF

Hi there
I don’t use Sharpen often, but on the few cases that I have I have experienced disappointing results. Firstly, to be clear - the sharpening and denoising works great, no complaints. BUT on exporting to TIF (from processing TIF source files) my files have a horrid colour hue in specific areas, mostly an unnatural green.
Can you please let me know what is going wrong? Note: I am using the “OUT OF FOCUS - Normal” model. If I switch to the “MOTION BLUR - Normal” model then the colour hue problem is not present and the image is usable. So perhaps there is a problem with the “OUT OF FOCUS - Normal” model only?? Of course it’s not always viable to use a different model, so hopefully you can indicate what’s going wrong here. Many Thanks. NB: My graphics set up is below. Best Regards

Application & Version: Topaz Sharpen AI Version 4.1.0
Operating System: Windows 11 Version 2009
Graphics Hardware: NVIDIA GeForce GTX 1050 Ti with Max-Q Design/PCIe/SSE2
OpenGL Driver: 3.3.0 NVIDIA 528.79
CPU RAM: 16155 MB
Video RAM: 4096 MB
Preview Limit: 4431 Pixels