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Posted: Tue Jan 13, 2026 7:00 pm
by dspp239V
Did you happen to switch your motherboard or any major hardware around the same time as the upgrade?
Posted: Tue Jan 13, 2026 10:47 pm
by 7639pzikrorc
This. You could also try manually reactivating by entering your Windows 10 product key again in the activation settings.
Posted: Thu Jan 15, 2026 7:20 pm
by AugLUHu
+1 Yeah, that usually works. Also, make sure you're signed into the Microsoft account that has your digital license linked to it.
Posted: Fri Jan 16, 2026 5:45 pm
by es691
Same here. I had the same problem after upgrading. I had to use the Activation Troubleshooter and select the "I changed hardware on this device recently" option to get it to recognize my license again.