In case the transparency color isn't shown correctly, please update the "Color management ICC sRGB profile" with the latest one. You can download it from the webpage at the following link here.
Download and save file sRGB2014.icc. Then locate and open Colour Management within the Control Panel. Select "All Profiles", press the "Add..." button and insert the sRGB2014.icc file.
Close the "Colour Management" and restart the computer.
Please start inPixio Photo Clip and proceed with the objects you want to cut out from your images.