Thanks for the link, but guess what. I had already tried DISM.exe /Online /Cleanup-image /Restorehealth and I think I tried sfc /scannow. I can't remember now; I was searching for any fix. But it was the reinstall that worked. I had no idea it would take so long, and I worried I was breaking my machine when it was stuck at 97%, but it all worked out.

But I'm saving that link for any future issues!

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W11,Intel i9-14900KF @ 3.20GHz, 64.0 GB RAM, 64-bit, GeForce GTX 4070 Ti SUPER, 16GB. 

Old lady hobbyist.

All visual art or fiction is "playing with dolls."