I know this is a late response, but in case anyone else has this problem in the future, an old trick for Diablo 1 worked for me. Right clock desktop, open personalize. Scroll down through the themes menu and find high contrast #2. Then, right click the desktop again and click resolution. Do not do anything here. Just keep the window open. I have no idea why. This truly worked for me, and as odd as it is if i close the resolution window.... rainbows. Turn my composition back... rainbows. Has to be both.