MunkySpunk

I think you might be on to something. I have 3 monitors: 2 4K monitors and 1 ultrawide 5120X1440. I usually send large 21:9 wallpapers to the ultra wide and regular wallpapers to the other 2. I turned off the ultrawide wallpaper provider, and it's been working fine for several days now. But the BIG down side is that I can't have a full size wallpaper on my nice, ultrawide, main monitor. It might be worth asking what monitor and sizes the folks with this problem have and changing the program to possibly...

I've never had this problem on Windows 10, and I'm using the same set of images between Windows 11 and Windows 10 - also nearly none of my images are that large. I hope your option works however. This is, by far, the best dual monitor suite out there - and the most versatile wallpaper changer.

Sorry to say, the same thing is happening to me on update to Windows 11 Pro. It was working fine for me for years under Windows 10. If I totally wipe all program data and reinstall, it behaves for a couple of minutes - but inevitably it goes back to showing full black screen. I have tried changing 'use smooth fade' option - it makes no difference. The 'black' it is showing is the default Windows BG. And the color can be changed by changing the solid background color in Windows settings, but that...

Sorry to say, the same thing is happening to me on update to Windows 11 Pro. It was working fine for me for years under Windows 10. If I totally wipe all program data and reinstall, it behaves for a couple of minutes - but inevitably it goes back to showing full black screen. The 'black' it is showing is the default Windows BG. And the color can be changed by changing the solid background color in Windows settings, but that does nothing to make the wallpaper appear. It's as if the Windows background...