How To Fix Error Code 0xc0000001 In Windows 10 On Startup (2021)

Encountering Boot Failure Error Code 0xc0000001? Learn How To Fix It?

Data Recovery For Windows 10

In this article, we’ll be discussing one of the most annoying and nagging issues you can ever encounter on your Windows 10 PC. We are talking about BSOD Error Code 0xc0000001. When this bug appears, you can’t boot the PC normally and the screen gets stuck at a booting loop; and worse, it may lead to a complete system crash. 

So, What Exactly Is Error Code 0xc0000001?

This Windows 10 stop code 0xc0000001 indicates that you can’t boot the system in a normal way & thus you see a Blue Screen. It occurs if your system has any corrupt/missing files, problematic apps/programs, any hardware issues, or damaged boot sectors. It may appear in the following forms: 

Error Type- 1

If any recent hardware or software change has caused the issue, you may see the error status 0xc0000001 with the statement: “A required device isn’t connected or can’t be accessed.”

Error Type – 2

Installing the new Windows OS update can also be responsible for witnessing the stop code. When this happens, your computer couldn’t start properly, and a required device that can’t be accessed shows up as the message. 

Error Type – 3

You may also encounter the Windows 10 stop code 0xc0000001 after randomly loading the system with the error message “Security Accounts Manager initialization failed because of the following error: A device attached to the system is not functioning. Error Status: 0xc0000001.”

In such conditions, the entire computer and data are at stake! Hence it is highly recommended to recover all your important files, documents, and more by using professional data recovery software

What About My Important Files Stored On The PC?

Sometimes, despite the damaged boot sectors and hardware issues, users are capable of successfully boot into the computer without using installation media. If you’ve entered into your system and lost some important files due to the stop code 0xc0000001. The first task should be to run a professional file recovery tool like Advanced Disk Recovery

The robust solution runs a thorough scanning on your computer to locate all the potential deleted, missing, corrupted and damaged files lost due to any scenario. Additionally, it is essential to keep a backup of all your files, folders, disks, partitions, and operating system. You can use any of the Backup Utilities For Windows 10 & Other Versions to keep your data safe from multiple kinds of stop codes and errors, including 0xc0000001. 

How To Repair Error Code 0xc0000001 On Windows 10?

Since this is a BSOD error, you will need Windows installation media to fix the underlying cause. You can follow this guide to learn how to Create Media Creation tool. After that, you can follow the methods listed below to fix the stop code. 

List of Contents

METHOD 1 – Uninstall Faulty Software/Apps

Once you have completed the above prerequisites, remove the secondary device and attach it to the problematic computer.  

STEP 1 – Boot your PC with the USB installation media and hit the Repair your computer option. 

STEP 2 – Now follow the path mentioned below: 

Troubleshoot > Advanced options > Startup Settings 

error code 0xc0000001

STEP 3 – Hit the Restart button and simply click the F4 button on your keyboard. As soon as you do that, the Safe Mode will be successfully enabled on your PC. 

error code 0xc0000001

STEP 4 – At this point, you must have entered your computer, while Safe Mode is activated. Go to the Settings and open Apps. 

error code 0xc0000001

STEP 5- Now carefully review all the applications installed on your system. Locate recently installed software & programs that you don’t remember installing. Click the Uninstall button! 

error code 0xc0000001

That’s all! Reboot your computer to resolve the annoying Boot Manager Error Code 0xc0000001. 

Must-Read: 13 Uninstaller Software for Windows 10, 8, 7 In 2021

METHOD 2- Run Startup Repair

Before running the Startup Repair, you need to first boot your computer using installation media. After that you need to follow the steps below:

STEP 1 – After the booting process, click on the Repair your computer option.  

STEP 2 – Now follow the path mentioned below: 

Troubleshoot > Advanced options > Startup Repair 

error code 0xc0000001

STEP 3 – A comprehensive diagnosis will begin on your Windows 10. 

Once the process gets completed, the next step is to reboot your system and check whether you are still witnessing the error code 0xc0000001 or not. In case you are still struggling, try out another method! 

Must-Read: Windows 10 Startup Repair In Infinite Loop & Not Working: FIXED!

METHOD 3 – Copy SAM File

Oftentimes, (Security Account Manager) SAM File can also be responsible for causing this Boot Manager Stop Code on Windows. Hence, you need to copy the SAM File from the repair folder to resolve the issue. Here’s what you need to do: 

STEP 1 – Simply boot your PC from the installation media to get started. 

STEP 2 – After that, you need to follow the path given below:

Troubleshoot > Advanced Options > Command Prompt 

error code 0xc0000001

STEP 3 – As soon as the CMD Window appears on your screen, you are required to execute the following command line to move forward. 

copy C:\Windows\Repair\Sam C:\Windows\System32\Config

STEP 4 – Click the Enter button. A prompt may be displayed on your screen, asking your permission to ‘Overwrite the original file’. Here, you need to hit the Y key to move ahead! 

Once the entire process is completed, try rebooting your PC. Hopefully, the Boot Manager Error Code 0xc0000001 will be resolved by now! 

REMEMBER: This method will remove all your login credentials & will bring the original state when you just installed the Windows.

METHOD 4 – Change BIOS Settings

Well, if your system is still in non-bootable condition, then again you need to use a USB installation media to continue. 

STEP 1 – You need to follow the path given below:

Troubleshoot > Advanced Options > Command Prompt 

STEP 2 – As soon as the CMD Window appears on your screen, you are required to execute the following command line to move forward. 

bootrec /fixmbr 

bootrec /fixboot

bootrec /rebuildbcd

error code 0xc0000001

As soon as the process gets complete, you’ll be relieved from getting the annoying BSOD Error Code 0xc0000001 on your Windows 10 system. 

Must-Read: 

METHOD 5 – Run System Restore

Restoring your system to the previous state when everything was working properly is certainly the best fix to resolve error 0xc0000001. If you are all set to perform system restore, all you have to do is: 

STEP 1 – Start by booting your computer via USB installation media. 

STEP 2 – From the main screen, hit the Repair your computer option. 

STEP 3 – You need to follow the path given below:

Troubleshoot > Advanced Options > System Restore 

error code 0xc0000001

STEP 4 – At this step, simply hit the Next button and choose a restore point. 

STEP 5 – Now you need to click on the button ‘Scan for affected programs’, followed by clicking the Next > Finish button! 

error code 0xc0000001

Hopefully, now you can boot into your computer normally and free from the Boot Manager Error Code 0xc0000001! 

METHOD 6 – Reset Your Computer

Well, if none of the workarounds helped you to resolve the issue, the last resort is to reset your system. Remember, this will remove all your installed applications and bring all the settings to their default states. If you are all set for it, follow the instructions below: 

STEP 1 – After booting your computer with installation media. 

STEP 2 – Press the Windows + I shortcut keys to launch Settings. 

STEP 3 – Now go to the Update & Security section and navigate to the Recovery. 

error code 0xc0000001

STEP 4 – At this step, you will need to click on Get Started button under the header Reset this PC! 

STEP 5 – You have the opportunity to keep your files and save your important data or choose the option Remove everything if you don’t have anything important to lose. 

error code 0xc0000001

STEP 6 – To get rid of the annoying Boot Manager Error 0xc0000001, it is recommended to remove everything to eliminate all the corrupted files, faulty settings, problematic apps and clean up your PC thoroughly. Click on the Next button to proceed! 

error code 0xc0000001

STEP 7 – A warning sign may appear on your screen asking for your final confirmation to reset the PC. Click on the Next button again to start the resetting process! 

error code 0xc0000001

STEP 8 – Choose Reset, followed by the Continue option to exit and launch Windows 10. 

error code 0xc0000001

That’s all! As soon as the entire process gets finished, the error code 0xc0000001 will be fixed automatically on your Windows 10. 

Must-Read: Fixes “Unable To Reset PC. A Required Drive Partition Is Missing” Error 

Which solution worked for you? Share your experience in the comments below! 

Frequently Asked Questions

Q1. Why does error code 0xc0000001 occur?

The annoying startup issue may appear because of one or more of the reasons stated below: 

  • Damaged system files. 
  • Damaged (SAM) Security Account Manager File. 
  • Faulty RAM. 
  • Corrupt Windows 10 installation. 
  • Actual physical damage to your Computer Hardware. 

Q2 How do I fix error 0xc0000001?

Implementing workarounds like Removing problematic apps, running Startup Repair, Copying SAM File, Making changes in BIOS Settings, Running System Restore are some effective solutions to fix Boot Manager stop code. Just remember, that recovering all your important files & folders is a crucial step before you start troubleshooting. 

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