Windows 11 Activation notification after updating to 24H2

[Windows 11]

Hi,I have an OEM PC built by AWD-IT, and just updated Windows to version 24H2. Following the update, I got a notification regarding a notification issue and clicked on the Troubleshoot button, but that failed.Going into Settings > System, I do see a message that Windows isn't activated: After clicking on "Activate now", I get this error:To troubleshoot this further, I downloaded ShowKeyPlus and there's no OEM Key (eh?).This machine was initially shipped with Windows 11 10, and I've never had this issue until now.Can you please help identify the cause of the problem and how I can resolve thi

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