I regularly check for GPU driver updates, so I'm usually confident that they're reasonably up-to-date. I was not aware that (by default) Win 10 automatically "updates" drivers.
Before I moved to Win 10, my GPU drivers (on 3 PCs) were up-to-date. I assumed (incorrectly) that they'd still be that way after installing Win 10. WRONG. Without me knowing, it rolled them back to drivers from about 12 months ago.
OK - when I realised that (in the thread linked above) I immediately updated the NVIDIA driver on each PC. That's not the end of the story...
On this PC, with a GTX260, I'd installed the 341.96 driver
Some hours after updating, there appeared a little pop-up telling me that my device driver had been updated. Huh? I'd only just done that. When I checked Device Manager, I found that Win 10 had rolled my driver back again!

The thing cannot be trusted! I turned off the automatic "update" thing and went back to checking for myself.
Cheers - Tony
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