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Get correction to “0xc0000225 : unexpected error occurred” Boot error for Windows operating systems.
One of the most common causes of this error is the absence or damage of the BCD. This may occur due to hard disk write errors, power failures, boot sector viruses, or errors in the manual configuration of the BCD. This means that Windows cannot find the system files used for booting, also known as BCD (Boot Configuration Data). In other words, if your system files are corrupted, the disk file system is badly configured, or if you have defective hardware, the 0xc0000225 error would occur.
How can you correct the error code 0xc0000225?
Automatic Windows Repair
First, you should try Windows 10 built-in troubleshooting. The system automatically searches for problems and tries to solve them itself. Hopefully it will repair your damaged BCD so you can get back to work.
After booting from your Windows 10 installation diskette, wait until you see the Windows setup screen. Confirm your language options, then click Next. If the Install Now screen appears, click the Repair Computer link in the lower left corner instead.
An options menu appears, select Troubleshooting, then Advanced Options. From the Advanced Options menu, select Auto Repair. Run the process and restart your computer when it is finished.
Use Startup Repair to Fix BOOTMGR.
On Windows Vista, Windows 7, Windows 8, Windows 8, Windows 8.1 and Windows 10, Startup Repair can be used to scan the system for corrupted or missing system files and replace the BCD file if it is corrupted or missing.
Startup Repair is an automatic diagnostic and repair tool available on the Windows installation disk that can be used to locate and repair some common problems. For more information about how Startup Repair works and what it does, please visit our knowledge base.
Rebuild the BCD
Since the boot error is often caused by a missing BCD, a rebuild is often a good solution.
Here are the steps to rebuild the BCD:
Booting from the Windows installation diskette
Once you have selected the correct language, time and keyboard entry, click Repair Computer.
Select the Windows installation drive, which is usually C:\, and click Next.
Select Command prompt when the System Recovery Options field appears.
Write the following command then press Enter: bootrec /rebuildbcdd
If the program finds a Windows installation and asks if it should add it to the start list, press Y.
Repair boot files
Start your computer from Windows media.
On the Language Options screen, tap Next.
Select Repair your computer.
Then select Troubleshooting -> Advanced options -> Command prompt.
At the command prompt, type the following commands in the order you specify:
bootrec /fixboot /fixboot
Press “A” to add the installation to the boot list and press Enter.
Close the command prompt.
Restart your computer and if 0xc0000225 still exists, follow the steps below.
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