Hi Stefan Ganev,
Thanks for reaching out to Microsoft Q&A Forum. I understand that you’re dealing with Microsoft account authentication failure on a clean Windows 11 installation. Please press Win + R, type services.msc and ensure these are Running and Startup Type = Automatic:
- Microsoft Account Sign-in Assistant
- Credential Manager
- User Profile Service
- Workstation
Also, try to run these commands in elevated PowerShell:
wsreset.exe
Get-AppxPackage Microsoft.WindowsStore | Reset-AppxPackage
Get-AppxPackage Microsoft.OneDrive | Reset-AppxPackage
Then restart.
The initial response might not address the problem. So, if your problem persists or you need any assistance, feel free to ask me by clicking "Add Comment" or "Post Answer" if you cannot add comment. This helps me can read your follow up. Thanks for your effort.
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Best regards.