I've had Windows 10 running on my Optiplex 3020 for a while now with no real problems. Recently an automated update is causing the pc to lock during the reboot. I get a black screen with circling dots which stays for hours without changing. I have to turn the pc on and off a few times to get it to recover to the previous version which works fine. I have run the Dell dignostics which updated a few drivers but the problem still occurs. Windows is trying to install the update every few days. Any ideas what might be causing this?
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