Hi @Miguel Perez ,
for the error 0cx1900101 is a list of possible issues available:
https://learn.microsoft.com/en-us/windows/deployment/upgrade/resolution-procedures#0xc1900101
Maybe these 2 threads are helpful as well:
https://answers.microsoft.com/en-us/windows/forum/all/error-when-upgrading-to-windows-10-0xc1900101/0e1c698a-6ea2-4bf0-aad4-0a26604f3200
https://answers.microsoft.com/en-us/windows/forum/all/error-when-upgrading-to-windows-10-0xc1900101/04dd110d-9e57-4bf9-a1e2-196e72e9aa00
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(If the reply was helpful please don't forget to upvote and/or accept as answer, thank you)
Regards
Andreas Baumgarten