
Error Code 0xc0000225: What Else You Can Do
If the method described above is unsuccessful, the database responsible for booting may also be defective. You can repair these with the Command Prompt .
- To do this, boot from the stick again and call up "Computer repair options".
- Then select "Troubleshoot" and "Advanced options". Here click on "Command Prompt".
- Enter the following command without quotation marks: "bootrec /rebuildbcd". Confirm the prompt with "Y".
- After the process is complete, enter the commands "bootrec /fixmbr" and "bootrec /fixboot" one after the other.
- Then close the command prompt and restart the PC.

Also interesting:
- Error code 0x00000001: How to fix the error
- Repair Windows 10 with inplace upgrade: Heres how
- Fix Windows error code 0x800f0831: Heres how