Windows Error 0xc0000225 — Boot Configuration Data Missing

Overview

Windows error 0xc0000225 indicates the Boot Configuration Data (BCD) file is missing or corrupted, preventing Windows from starting.

Key Details

• STATUS_NOT_FOUND — the required BCD entry cannot be located
• System cannot find the boot configuration to start Windows
• Common after dual-boot configuration changes
• Can occur when the active partition flag is set incorrectly
• Often seen after cloning a drive or resizing partitions

Common Causes

• BCD store corrupted or deleted
• Active partition flag set on wrong partition
• Drive letter assignments changed after hardware modification
• Failed Windows Update corrupting boot files
• Partition resizing tool damaged the boot sector

Steps

1. 1Boot from Windows installation USB > Repair > Command Prompt
2. 2Run: bootrec /fixmbr
3. 3Run: bootrec /fixboot (if access denied, run bootsect /nt60 sys)
4. 4Run: bootrec /rebuildbcd — select Yes to add Windows installation
5. 5If still failing, run: bcdboot C:\Windows /s S: (where S: is the System partition)

Tags

More in System Errors

Frequently Asked Questions