Fix: 0xc00001 error code in Windows 10, 8.1

By: John Nedelcu
5 minute read

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We’ve talked recently about issues that Windows 8 users are experiencing and provided a few ways to fix them. One such example was the Taskbar not responding problem in which we mentioned that in some cases, Windows 8 is not allowing users to properly repair their computer by returning a 0xc00001 error. Today we’re taking a look at how to resolve this Windows 8 problem.

Usually, the 0xc00001 error code stands for a missing file in the installation media of Windows 10/8.1. There is no need to worry about this problem, as it can be easily bypassed. In some cases, this error is accompanied by BSOD (blue screen of death), but again, there is no need to worry, as it can be easily fixed. In some cases, you will need a Windows 8 installation disk or USB flash drive in order for this fix to work.

If the following Windows 10/8.1 error is rendering your computer unusable:

Your PC needs to be repaired
The application or operating system couldn’t be loaded because a required file is missing or contains errors.
File: windowssystem32windload.efi
Error code:0xc0000001

Then the following guide will give you some information about the error and the steps necessary to fix this issue.

How to fix Windows 10 error code 0xc00001

Table of contents:

  1. Create a recovery drive
  2. Advanced startup
  3. Copy the SAM File from the Repair Folder
  4. Run the SFC scan
  5. Check the hard drive
  6. Run the DISM

Create a recovery drive

If you don’t have your Windows 8 install drive, you can easily create a new one on a USB drive from any Windows 8 computer. To do so, open the Search charm and search for “recovery drive“. From the results, select “Create Recovery Drive“. When the wizard opens, make sure your USB drive is plugged in and tick the “Copy the recovery partition from the PC to the recovery drive” checkbox and follow the wizard. More information on creating a system restore USB drive can be found in this Microsoft help article.

Solution 1 – Advanced startup

Now that you have your USB recovery drive / Windows 8 installation media, you can move on to the next step. Plug in or insert your media and restart your computer. When you see the Post BIOS message press the Shirt and F8 keys to enter the Recovery mode. From here, select “See advanced repair option“. From here, select “Troubleshoot” and then go to “Advanced options“. From here, you can proceed in one of two ways:

Method 1

Select “Automatic Repair” and let the install wizard take care of your issues by scanning the system files and replacing them. This option will work for more errors, not just the 0xc00001 Windows 8 error, so it’s good to take notice of it and keep it in mind when repairing Windows 8 computers.

Method 2

Select “Command Prompt” which will launch the all to familiar CMD. In the console, type in the following commands (keep in mind to press the “Return” key after each command):

  • Bootrec /fixmbr0xc00001 Error
  • Bootrec /fixboot
  • Bootrec /rebuildbcd
  • exit

Now restart your computer and see if the issue is resolved. This should take care of your issues, but if not, open the system in Recovery Mode again and perform another automatic repair.

Solution 2 – Copy the SAM File from the Repair Folder

If you’re still unable to login to Windows, try with copying the SAM file C:\WINDOWS\repair to C:\WINDOWS\system32\config. Here’s how to do that:

  1. Insert your recovery drive and boot from it
  2. Open the Command Prompt (as shown above)
  3. If promped whether you want to overwrite the original file, confirm it (enter “Y”)

Solution 3 – Run the SFC scan

The SFC scan is Microsoft’s bult-in tool for resolving various problems in Windows. And it can be helpful when dealing with the 0xc00001 error, as well. Here’s how to run the SFC scan:

  1. Open the Command Prompt
  2. Enter the following line and press Enter: sfc/scannow0xc00001 Error
  3. Wait for the process to finish (it’s a lenghty one)
  4. Restart your computer

Solution 4 – Check the hard drive

If something’s wrong with your hard drive, you may encounter the error code 0xc00001. So, we’re going to check if your hard drive is okay. And here’s how to do that:

  1. Insert your Windows installation USB or DVD drive
  2. Click Repair your computer, after selecting proper language
  3. Select the drive you have Windows installed on (usually C:\), and click Next
  4. Choose Command Prompt when the System Recovery Options box appears
  5. Enter the following line, and press Enter: chkdsk C: /f0xc00001 Error
  6. Wait for the process to finish
  7. Restart your computer

Solution 5 – Run the DISM

Similarly to the SFC scan, DISM (Microsoft Windows Deployment Image Servicing and Management) is a built-in tool for dealing with various system errors in Windows. However, DISM is more powerful than the SFC scan, which means your chances of resolving this problem are bigger with DISM.

You can easily run DISM even if you’re unable to boot your system. If you’re not sure how to do that, just follow these instructions:

  1. Insert your installation USB or DVD and type following command:
      • DISM.exe /Online /Cleanup-Image /RestoreHealth /Source:C:\RepairSource\Windows /LimitAccess0xc00001 Error
  2. Be sure to replace ”C:\RepairSource\Windows” path of your DVD or USB.

If you’re still having issues on your PC or you simply want to avoid them for the future, we recommend you to download this tool (100% safe and tested by us) to fix various PC problems, such as file loss, malware and hardware failure.

That’s about it for this article, we hope at least one of these solutions helped you deal with this annoying problem. If you have any comments, questions or suggestions, just let us know in the comments down below.

Editor’s Note: This post was originally published in June 2014 and has been since completely revamped and updated for freshness, accuracy, and comprehensiveness.


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