Macbook Pro, Sierra 10.12.3, Thunderbolt display connected. This just started, and I haven't installed anything new or even updated anything for a few months at least. I don't turn it off or restart. I wake up the computer to work, and the icons look like a deck of cards that were thrown in the air. I have to keep putting my desktop folders back in the dated order I need them. Is there any way to fix this? I searched Google, and found some rather complicated coding fix for earlier IOS, and a few comments that suggest it's something you have to live with. It's a minor thing, but making me a little crazy.