GameEx opens and runs fine but on exit it changes my settings for my desktop wallpaper. I have to go in and change it back under Control Panel - Personalize. After running GameEx the background is set to "c:\gameex\media\black.bmp". I normally have it set to cycle through a series of gaming wallpaper every 12 hours under "c:\wallpaper\".
Start:
After closing:
Just in case it's relevant:
I am running Windows 8.1 on an MSI GT-70 with a nVidia GTX870M card.