Windows Setup fails with 0xc000000f (BCD missing or corrupted) after reinstall/upgrade

The problem: After install/upgrade, Windows fails to boot because Boot Configuration Data (BCD) is missing or corrupted.

Symptoms: Boot error screen referencing \EFI\Microsoft\Boot\BCD; error code 0xc000000f; boot loops to recovery.

Likely cause: BCD store corruption, boot files written to wrong disk, or EFI partition issues.

Category: Windows Installation & Setup · Difficulty: Advanced · Windows: Both · Error code: 0xc000000f

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