Hello ,
Good to see you in Microsoft Community.
Firstly, congratulations your problem was solved.
If you encounter a similar exception again (hope not), please describe your problem in detail or send me a screenshot/photo of it, and include it in the next reply to help me understand your situation better.
Or you can visit Activate Windows - Microsoft Support for more Windows activation related information.
If anything is unclear, please do not hesitate to let me know.
Best Regards,
Mosken_L - MSFT | Microsoft Community Support Specialist