Resolving Windows 8 Startup Error 0xc0000225: Effective Solutions

Encountering the 0xc0000225 error when Windows 8 fails to boot can be resolved using various methods. Here are the effective strategies:

1. Repair the boot process using the Windows 8 installation media:
• Place the installation media into your computer and reboot.
• Hit any key when asked to boot from the media.
• Choose your preferred language and click Next.
• Opt for 'Repair your computer'.
• Navigate to Troubleshoot > Advanced options > Startup Repair.
• Execute the instructions on your screen to mend the boot sequence.


2. Rebuild the BCD via Command Prompt:
• Insert the installation media and power on your PC.
• Boot from the media by pressing any key as prompted.
• Set your language options and proceed with Next.
• Select 'Repair your computer'.
• Go to Troubleshoot > Advanced options > Command Prompt.
• Input the commands below, hitting Enter after each:

   bootrec /fixmbr
   bootrec /fixboot
   bootrec /rebuildbcd
  

• Reboot your PC to see if the error has been fixed.


3. Utilize the Automatic Repair tool:
• Restart your computer with the installation media inserted.
• Press any key to boot from the media when prompted.
• Select your language settings and hit Next.
• Choose 'Repair your computer'.
• Proceed to Troubleshoot > Advanced options > Automatic Repair.
• Follow the guided instructions to complete the repair.


4. Inspect for any hardware problems:
• Detach all external hardware from your PC.
• Restart the system to check if the error still appears.
• If the issue continues, conduct a diagnostic test to identify any potential hardware problems.

If the mentioned approaches do not resolve the issue, consider reinstalling Windows 8 or consulting a professional for further assistance.