Fix Error Code 0xc0000001 on Your Windows

What is error code 0xc0000001?

Error code 0xc0000001 usually occurs when Windows PC users attempt to update or install a Windows OS on their devices. The normal symptom is a BSOD screen with the recovery requirement and the error code (as the picture below).

The error 0xc0000001 can be caused by:

• Install malware inadvertently
• Corrupted system files
• Damaged SAM file
• Corrupted RAM
• Incorrect operating system installation
…

How to repair Windows 10 error code 0xc0000001

Since this error might be a little knotty for normal Windows users, so here we prepare 6 ways to help you repair this problem.

Way 1. Uninstalled malware in Safe Mode

If this error code happens after you installed any software, you’d better uninstall it in safe mode since your PC can’t boot normally.

Step 1. Boot the computer from an installation media.

Step 2. Click “Repair your computer” and follow the wizard to continue.

Step 3. Then choose Troubleshoot > Advanced options > Startup setting. Then click “Restart” to continue.

Step 4. After restarting, press F4 to enable “Safe Mode”.

Step 5. Press the “Windows” key and “I” key together to open Settings.

Step 6. Choose Apps to continue.

Step 7. Find the Apps you need to get rid of and click “Uninstall” to continue.

After that, you can reboot your computer to check whether the error code 0xc0000001 is solved.

Way 2. Run startup repair

Step 1. Turn on your PC. When you see the Windows logo, press the power button.

Step 2. Repeat the above step about three times.

Step 3. On the third time, you’ll see a screen namely Automatic Repair will be displayed. Here click on “Advanced options”.

Step 4. On the next screen, under “Choose an option”, click on the Troubleshoot option.

Step 5. Next click on Advanced options under Troubleshoot screen.

Step 6. On the Advanced options page, click the “Startup Repair” option

Step 7. Select the system account, enter your password and then click on the “Continue” option.

Step 8. Now, the Startup Repair process is initiated which needs to be further continued with the given instructions.

Step 9. Once the repair is completed, reboot your system and check if Windows is loading without any error.

Way 3. Copy the SAM File

The error code 0xc0000001, as described above, can be caused by corrupted SAM files. To resolve this issue, just copy the SAM file from the repair folder.

Step 1. Turn on your PC from USB and follow the same steps of the first method, click “Repair your computer” and follow the wizard to continue.

Step 2. Choose Troubleshoot > Advanced options> Command Prompt.

Step3. Input the command: copy C:\Windows\Repair\Sam C:\Windows\System32\Config and press “Enter”.

Step 4. If asked whether you want to overwrite the original file, please type “Y” to confirm.

Now you can restart your computer to check if you solve the issue.

Way 4. Rebuild BCD via CMD or professional partition tool

Step 1. Boot the computer from an installation media and follow the same step of the Way 3 and open CMD.

Step 2. In this way, you need to type the commands and press “Enter” after each:

• Bootrec /fixmbr
• Bootrec /fixboot
• Bootrec /rebuildbcd
• exit

In this way, rebuilding BCD files might fix the corrupted boot configuration data. If you don’t want to use CMD or the CMD commands failed, you can try a free tool to make a repair USB to fix BCD and rebuild MBR.

AOMEI Partition Assistant Standard is a free disk and partition tool for all Windows PC users. It’s perfectly compatible with Windows 11/10/8/8.1/7/XP OS, you can use this tool to easily rebuild MBR, clone disk, etc. And if all methods are failed and you have another Windows PC that can boot normally, you can even migrate that Windows system from that PC to the PC that is stuck by the error 0xc0000001.

Step 1. Put the USB drive into the working Windows 10 PC. Run AOMEI Partition Assistant, Please select Tools> Make Bootable Media at the top panel on the main window. Hit Next. 

Step 2. Tick USB Boot Device, and press “Proceed” to create Windows 10 bootable media.

Step 3. Then boot your corrupted Windows 10 PC from this bootable media, and you will see the AOMEI Partition Assistant running. 

Step 4. Select the system hard disk and choose Rebuild MBR at the drop-down menu. 

Step 5. Choose MBR type for your Windows.

Now, the Windows 10 BCD repair should be successful and if the error 0xc0000001 appears on your PC is caused by BCD data then the problem should be solved.

Way 5. System restore

With the PC Reinstall function in Windows 10, you may restore Windows through a restore point without affecting any email, files, or images previously saved on your system.

Step 1. Boot your PC with USB and go to Repair your computer Automatic Repair > Advanced Options > Troubleshoot > Advanced Options > System Restore option.

Step 2. On the next dialogue box, click “Next”.

Step 3. Select a system restore point recorded on the system and then, click on “Next”.

Step 4. Click “Finish” to complete the Windows restore process through the selected point.

Way 6. System reset

We will now show you the final solution to problem number 0xc0000001. When you reset your computer, you may select whether to delete everything or save your files.

Step 1. Boot your PC with USB and go to Repair your computer Automatic Repair > Advanced Options > Troubleshoot > Reset this PC.

Step 2. 2. Then you can choose to keep your file or remove everything on your computer when resetting this PC.

To sum up

If you meet error code 0xc0000001 in Windows 10, now you have 6 methods to solve the problem. AOMEI Partition Assistant is a multifunctional tool for disk management. And if you have Sever device, you can choose the Server Edition to manage your Server efficiently.