Some Windows 10 users are upset today after Microsoft suddenly deactivated their Windows installations, resulting in “Activate Windows” nags. Microsoft has confirmed the error and said a fix is in the way.
Update: Microsoft’s Jeff Jones told Bleeping Computer this problem is now fixed and affected PCs will automatically become activated again sometime in the next 24 hours. Mary Jo Foley over at ZDNet points out that you can head to Settings > Update & Security > Activation > Troubleshoot to fix it immediately.
This problem seems to affect Windows 10 Professional users who upgraded from Windows 7 Professional or Windows 8 Professional. Microsoft’s activation servers suddenly decided their digital licenses were no good and deactivated them. After running the activation troubleshooter, Windows 10 said their systems should actually be using Windows 10 Home instead of Windows 10 Professional. That’s what many Windows 10 users on Reddit report happened to them.
Affected Windows users can expect to see an annoying “Activate Windows” watermark over the bottom right corner of the desktop, distracting from work, gaming, or whatever else they’re doing on their PCs.
This is just what happens if you don’t activate Windows 10, although we’ve never seen this suddenly happen to people with legitimate Windows 10 licenses before.
A Microsoft MVP and forum moderator confirmed the problem. Here’s what Microsoft chat support said:
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Source : Microsoft Confirms It Accidentally Deactivated Some Windows 10 PCs
