Off to bed.
>>57350765Not much you can do other than inpainting until it works, or redrawing the hand in Photoshop/gimp/paint and throw it back into inpaint. You can also try to find another image with good hands, cut out the hands and paste it over your bad hand and then inpaint until it blends in with the rest of the image.
Or you could just choose to ignore it and your headaches will go away.