Did your Windows 10 just deactivate? Microsoft confirms Windows 10 Activation issue

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  1. Why is it tied to a server that’s constantly checking the verification status? It should be a one and done thing, and then we wouldn’t have issues like this at all.

  2. It will re-activate if you run this command (as administrator): slmgr.vbs -ato
    Press Windows+R to open the “Run” box. Type “cmd” into the box and then press Ctrl+Shift+Enter to run the command as an administrator.
    thanks DR for the tip

  3. Didn’t work for me; it says my Key is “Blocked” whatever that means?
    It is a valid Win 7 Pro upgraded to Win 10 Pro, and only invalidated after I made a hardware change on Saturday. The troubleshooter didn’t help either. Going to wait one more day before calling MS about it, to see if it resolves.

  4. It’s not fixed for some. I didn’t initially experience this issue, and therefore wasn’t even aware of it, until well into the weekend. On Saturday I made several hardware upgrades – including both Motherboard and CPU. Upon booting after the upgrades, all seemed fine; I used my Microsoft account PIN to log in, it asked me to validate Windows, which I did, and all seemed to work. However, at some point overnight my Windows decided it wasn’t valid any more, to my surprise. I attempted to re-validate it on Sunday to no avail; I tried the Troubleshooter, which wasn’t able to resolve the validation, so I selected the “Changed Hardware” option and it failed with the statement that it doesn’t match any version on my account (despite checking my account and seeing it’s still listed there). I tried using CMD prompt method to check my system info, and force a validation check, but it reports that my Key is “Blocked”, whatever that means. I had used the free upgrade from Win 7 to Win 10 Pro years ago, when it was offered, so I don’t even know if I have my original Win 7 disk anywhere (since it was installed well over 10yrs ago). I haven’t been able to get through to MS Tech support yet, but everything I read online said to “Be Patient” but that the problem has been officially resolved. Sorry, obviously it hasn’t resolved for everyone.

  5. My windows 10 copy has been deactivated for close to a month now, after I installed build 18272, and nothing seems to fix it. Today I got a message that my build number has also expired, but since my license got deactivated, I cannot download any new builds from the insider program, I just get an error message.

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