How to resolve error code 0xc0000225: Windows failed to start in Windows 8

There are multiple methods to address error code 0xc0000225: Windows failed to start in Windows 8. Below are some effective solutions:

1. Utilize the Windows 8 installation disc or USB drive to fix the startup issue:
• Insert the installation disc or USB drive and reboot your computer.
• Press any key to boot from the disc or drive when prompted.
• Select your preferred language settings and click Next.
• Click on Repair your computer.
• Choose Troubleshoot > Advanced options > Startup Repair.
• Follow the on-screen steps to finish the repair process.


2. Employ the Command Prompt to reconstruct the BCD (Boot Configuration Data):
• Insert the Windows 8 installation disc or USB drive and reboot your computer.
• Press any key to boot from the disc or drive when prompted.
• Select your preferred language settings and click Next.
• Click on Repair your computer.
• Choose Troubleshoot > Advanced options > Command Prompt.
• Type the following commands and press Enter after each one:

 bootrec /fixmbr
 bootrec /fixboot
 bootrec /rebuildbcd

• Reboot your computer and check if the error is fixed.


3. Use the Automatic Repair function:
• Insert the Windows 8 installation disc or USB drive and reboot your computer.
• Press any key to boot from the disc or drive when prompted.
• Select your preferred language settings and click Next.
• Click on Repair your computer.
• Choose Troubleshoot > Advanced options > Automatic Repair.
• Follow the on-screen steps to finish the repair process.


4. Inspect for hardware issues:
• Disconnect all external devices from your computer.
• Reboot your computer and check if the error is fixed.
• If the error continues, run a hardware diagnostic test to identify any hardware problems.

If none of the above methods work, you might need to reinstall Windows 8 or seek professional assistance.