Windows 10: 24H2 Deactivated Windows - Will not allow me to reactive

A few days after installing the 24H2 update to Windows 11, Microsoft Office has deactivated as well as Windows. I have the product key still which came with the pre-installed laptop a Dell G7 7590 laptop - it is indeed a gaming computer but I don't do any gaming on it. It is a personal device, not connected to any business accounts or anything like that.Once Office started having issues, it would crash immediately after opening, and then it wouldn't save. It became evident that the computer thought it was not activated. Then the "activate Windows" watermark appeared.I went to settings to

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Windows deactivate itself and won't allow me to reactivate it. (0x803FABBA)

In the middle of the day yesterday while using my PC, I randomly got a notification asking me to activate Windows. I rebuilt my PC months ago, and followed the steps to reactivate my PC afterwards. I had no issues until now. The activation troubleshooter won't allow me to reactivate Windows. Giving me the message "We can’t activate your copy of Windows as the digital license for this device has already been used to reactivate Windows.".

 

Factory reset Windows 11 24H2 (build 26100.863)

Hi, I am Dave, I will help you with this.

There are no currently listed problems resetting version 24H2 of Windows 11 and no specific steps you need to perform, are you experiencing any problems with that insider build that is causing you to perform a Windows reset?

 

Windows 10 reactivation after deactivation

hi

I accidently deactivate my Windows 10 on my laptop . How can I reactivate it ? Windows 10 ist upgraded form windows 8.1 and I don't have de product key or ID.