Windows 10 0x80004005-0x1000A The installation failed in the DOWNLEVEL phase with an error during PREPARE_FIRST_BOOT operation

  • Thread starter Thread starter VíctorHerreros
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VíctorHerreros

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Hello,

I've tried several times to remotely upgrade my office computer from Windows 10 Pro 64-bit r.1809 to the current 2004 release (and previously to r. 1903) without success.

I've tried it through Windows update and, after restart, the PC keeps on 1809 release.

I've tried it via Windows 10 update assistant (Download Windows 10) with the same result.

I've tried to update from a recent Windows 10 ISO file downloaded on the PC, but the process is not able to upgrade Windows, just to re-install it loosing all my previous setup.

I've even tried to follow steps collected from Internet (repairing Windows inconsistencies, stopping Windows update related services, delete software distribution folder, re-launch update process as administrator) with no luck at all.

Due to the current pandemic situation, that forces me to work from home connected to my office computer, I'm not able to follow the last solution, i.e., reinstall Windows 10 from scratch through a recent ISO downloaded onto an USB stick, cause it would imply losing network connectivity.

Is there a way to solve this problem?

I'm attaching the Panther and Rollback log files from my last attempt (through Windows 10 update assistant).

Thanks in advance!

Panther logs: https://ucomplutense-my.sharepoint....dGkBWokhDA7aIBYBZKemT-kntXnw1meeMtwA?e=d9bufY

Rollback logs: https://ucomplutense-my.sharepoint....xKvgFsA8ydMRIBAo9vZ0DpPTJmdhdRsofLsw?e=Fuq5Uf


P.S.: Though at work, my computer does not belong to any enterprise domain, so there are no secutiry policies implied that avoid me to upgrade it.

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