7 Methods to Fix Windows Stop Code Bad System Config Info

Recoverit Editorial Team

Oct 23, 2026 • Filed to: Windows Computer Solutions • Proven solutions

TL;DR:

Resolve the Windows 10 Bad System Config Info BSOD error by utilizing a System Restore point, executing Command Prompt repairs for corrupted registry and BCD files, or replacing faulty hardware components.
    ● Accessing the Startup Repair or Command Prompt tools to replace registry files and rebuild Boot Configuration Data requires booting the computer from a Windows 10 USB or CD installation media.
    ● Hardware faults frequently trigger this crash; run the mdsched.exe command to launch Windows Memory Diagnostics for RAM testing, and replace the hard drive if physical defects are found during inspection.
    ● Run Recoverit Data Recovery to salvage unsaved files lost during the crash before attempting BCD repairs, as executing the bootrec /repairmbr command deletes your existing Master Boot Records.

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The stop code Bad System Config Info error is a Windows bug check error that is mostly caused by the registry or system files malfunctioning. Also, there may be a conflict between some older boot order files and newer stable ones in BCD (Boot Configuration Data).

This article contains seven methods of fixing this Windows error. Each method contains steps that will guide you in doing this.

How to Fix Windows Stop Code Bad System Config Info

With the methods and steps outlined below, you can fix the Windows 10 stop code Bad System Config Info error:

Method 1: Restore Your Computer

The following steps will guide you in doing a system restore for your computer. This way, your system goes back to its original state, free from the error:

• Go to "Start". Search for "Create a restore point". Open the "System Properties" window by selecting the top search result

• Select "System Restore"

• Choose to go to the "Next" window

• Click on the point of system restore you want
• Some apps have been added after the restore point you chose. You must click on "Scan for affected programs" to know which apps will be removed

• Select "Close"

• Choose to go to the "Next" window afterward
• Now wait as the process comes to a finish by clicking "Finish"

Method 2: Run Startup Repair

To run a startup repair on Windows 10 with this error, you need to create an installation media with a USB thumb drive or a CD/DVD. On your BIOS settings window, ensure you set the boot order to enable you to boot from the USB media. Connect this drive to your computer or insert the disc and follow these steps:

• Boot your computer from the installation or bootable media
• Select "Next"

• On the Windows 10 installer screen, click on "Repair your computer"

• Choose "Troubleshoot"

• Choose the "Advanced options"

• To begin the startup repair, select "Startup Repair"
• Choose your user account

• Input the user account's password
• Tap to "Continue"

Method 3: Check and Repair Hard Disk Errors

Most BSOD (Blue Screen of Death) errors occur as a result of faulty RAM or hard drive. The Bad System Config Info error is a BSOD error, thus it can be caused by errors in your hard disk. You can replace your hard disk to fix the problem once you have done a detailed inspection and found out that faulty hardware is the source of the problem.

Method 4: Update all Your Available Drivers

If the error is caused by outdated drivers, you are advised to update your drivers to the latest available ones. Ensure that all your computer's major components have the latest available drivers. Visit your manufacturer's website, find your device, and download its latest available drivers. You need to update all your drivers for maximum effect.

You must have the latest drivers updated on your computer whether by the manual update, using a trusted third-party app, or using Windows update.

Method 5: Fix Windows Registry Files

The Bad System Config Info error can be caused by settings that are wrongly done in Windows registry. Therefore, if this is the case, you should fix your Windows registry files using the steps below:

• Insert an installation disk for Windows 10 on your computer and boot your device from the disk
• Click "Next"
• Decide to "Repair your computer"
• Click on "Troubleshoot"
• Tap the "Advanced options" button
• Select "Command Prompt"

• In "Command Prompt", type these commands and hit "Enter" after each command
  CD C:\Windows\System32\config
  ren
  C:\Windows\System32\config\DEFAULT
  DEFAULT.old
  ren C:\Windows\System32\config\SAM
  SAM.old
  ren
  C:\Windows\System32\config\SECURITY
  SECURITY.old
  ren
  C:\Windows\System32\config\SOFTWARE
  SOFTWARE.old
  ren
  C:\Windows\System32\config\SYSTEM
  SYSTEM.old
• Again, input the following commands, pressing "Enter" after each command line
  copy
  C:\Windows\System32\config\RegBack\
  DEFAULT C:\Windows\System32\config\
  copy
  C:\Windows\System32\config\RegBack\
  SAM C:\Windows\System32\config\
  copy
  c:\Windows\System32\config\RegBack\
  SECURITY
  C:\Windows\System32\config\
  copy
  c:\Windows\System32\config\RegBack\
  SYSTEM C:\Windows\System32\config\
  copy
  C:\Windows\System32\config\RegBack\
  SOFTWARE
  C:\Windows\System32\config\
• Exit "Command Prompt" and restart your computer

Method 6: Use Windows Memory Diagnostics to Check Issues with RAM

The Windows Memory Diagnostics utility is essential if you want to find out if your RAM has issues so you can change it.

• Search for "Windows Memory Diagnostics".

• Alternatively, go to the "Run" dialog box by pressing the keys "Win" and "R". In the box, type the instruction "mdsched.exe" and hit "Enter"

• You need to restart your computer to carry out this test with the tool so click on the option to agree for your system to be restarted

• Once your computer restarts, the Windows Memory Diagnostics tool will appear and begin the test. As it goes on, you will see the progress being made in the progress bar. You will also see a message giving you the status of the test, i.e., if any problem is detected, you will see it appear as the process is going on.

• Once it is done, your computer will restart and give a full result of the test after you log in to your Windows desktop

Method 7: Fix the BCD Files

If your BCD file is corrupted, it could cause this error, thereby preventing you from accessing your computer even in Safe Mode.

• Boot your computer from an installation or bootable disc. You will be taken to the Windows 10 setup screen. Here, click the "Next" button
• Choose the option to "Repair your computer"
• Go to "Command Prompt" by following the path from "Troubleshoot" to the "Advanced Options" window
• In the "Command Prompt" page, enter the following command lines. After typing each, press "Enter" on your keyboard:
  bootrec /repaired

bootrec /loss can

bootrec /repairmbr

The last command will delete Master Boot Records of your computer before recreating them, so take note.

How to Recover Unsaved Data Due to Windows Stop Code Bad System Config Info

The Bad System Config Info error can occur at a time when you are using your computer and you may have data that have not been saved. These data or files may be lost as a result. Do you know that you can get your data back with the professional Recoverit Data Recovery tool? Well, it's true. Recoverit can retrieve all your lost data, be they audio files, videos, PDF documents, zipped files, images, etc.

More so, Recoverit supports data loss scenarios such as data lost from crashed systems, corrupt memory cards, damaged internal hard drives, system issues, virus infection, and many others. Thus, install the app on your computer and follow these steps to recover your unsaved data:

Step 1: Select a Location

Begin with a selection of your location. After this, click on the "Start" button to start scanning the location

Step 2: Scan the Location

After you have clicked to "Start", Recoverit will scan the chosen location and get back all the files in that location. You will see them appear as the process goes on.

Step 3: Preview and Save

Finally, use the Preview feature to go through all the scanned and retrieved files. To save the files, select "Recover". That's it!

The Bottom Line

It is important to note that because the Bad System Config Info error is not as serious as other more complicated BSOD errors, it can be easily resolved. This means that as long as you pay attention to the methods outlined in this article and follow them carefully, you can fix this error and use your computer normally.