How to resolve error code 0xc0000225: Windows 8 startup failure

There are multiple ways to address error code 0xc0000225: Windows 8 startup failure. Below are some effective solutions:

1. Utilize the Windows 8 installation disc or USB drive to fix the startup process:
• Insert the installation disc or USB drive and restart your PC.
• Press any key to boot from the disc or drive when prompted.
• Select your language preferences and click Next.
• Click on Repair your computer.
• Select Troubleshoot > Advanced options > Startup Repair.
• Follow the on-screen prompts to complete the repair.


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

       bootrec /fixmbr
       bootrec /fixboot
       bootrec /rebuildbcd
  

• Restart your PC and check if the issue is resolved.


3. Use the Automatic Repair feature:
• Insert the Windows 8 installation disc or USB drive and restart your PC.
• Press any key to boot from the disc or drive when prompted.
• Select your language preferences and click Next.
• Click on Repair your computer.
• Select Troubleshoot > Advanced options > Automatic Repair.
• Follow the on-screen prompts to complete the repair.


4. Inspect for hardware issues:
• Disconnect all external devices from your PC.
• Restart your PC and check if the issue is resolved.
• If the problem persists, run a hardware diagnostic test to identify any hardware issues.

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