How to Solve Error Code 0xc000021a in Windows 10 Computer

  • The 0xc000021a crash code is one of the most common errors that can occur.
  • Microsoft regularly releases Windows updates that also fix bugs from previous updates.
  • You will learn more about the possible causes of the error and how to fix it.
  • You also learn how to recover data lost due to this error.
  • The error can also be fixed using the Media Builder tool and the Media Creation tool.

 

In the vast digital realm, even the mighty Windows 10 can stumble upon a mysterious error code known as 0xc000021a. Fear not, for in this article, we shall unravel the secrets of this enigmatic code and guide you towards swift resolution. Prepare to embark on a journey of troubleshooting and triumph, as we reveal the secrets to quickly fix the Windows 10 Error Code 0xc000021a.

Understanding Stop Code 0xc000021a and its Occurrence

If you’re encountering the Stop Code 0xc000021a error on your Windows 10 PC, here are some quick steps to help you resolve it:

1. Boot into Safe Mode: Restart your PC, and when the Windows logo appears, press and hold the Shift key while selecting Restart. This will take you to the Advanced Startup Options menu.

2. Access Command Prompt: From the menu, select Troubleshoot, then Advanced options, and finally Command Prompt.

3. Repair System Files: In the Command Prompt window, type “sfc /scannow” (without quotes) and press Enter. This will scan and repair any corrupted system files.

4. Check Disk for Errors: Next, run the command “chkdsk /f C:” (without quotes) to check your disk for errors. Replace “C” with the appropriate drive letter if necessary.

5. Restart and Test: Once the process is complete, restart your PC and see if the error persists.

These steps should help you quickly resolve the Stop Code 0xc000021a error and get your Windows 10 system up and running smoothly again.

Methods to Fix the 0xc000021a Error Code

  1. Restart your computer and press F8 repeatedly until the Advanced Boot Options menu appears.
  2. Select Safe Mode and press Enter.
    Restart your computer and press F8 repeatedly until the Advanced Boot Options menu appears.
Select Safe Mode and press Enter.
  3. Once in Safe Mode, open the Start menu and search for System Restore.
  4. Click on System Restore and select a restore point before the error occurred.
  5. Follow the on-screen instructions to complete the system restore process.

Method 2: Run Startup Repair

  1. Insert your Windows 10 installation media and restart your computer.
  2. Press any key to boot from the installation media.
  3. Select your language preferences and click Next.
  4. Click on Repair your computer at the bottom left corner of the window.
    Select your language preferences and click Next.
Click on Repair your computer at the bottom left corner of the window.
  5. Select Troubleshoot and then choose Advanced options.
  6. Click on Startup Repair and wait for the process to complete.
  7. Restart your computer and check if the error is resolved.

Method 3: Perform a System File Check

  1. Open Command Prompt as an administrator.
  2. Type sfc /scannow and press Enter.
    Open Command Prompt as an administrator.
Type sfc /scannow and press Enter.
  3. Wait for the system file check to complete. It may take some time.
  4. If any corrupted files are found, the system will attempt to repair them automatically.
  5. Restart your computer and check if the error persists.

Method 4: Disable Automatic Driver Installation

  1. Press Win + X and select Device Manager.
  2. Expand the System devices category.
  3. Right-click on Automatic System Update and select Properties.
  4. Go to the Driver tab and click on Disable.
    Right-click on Automatic System Update and select Properties.
Go to the Driver tab and click on Disable.
  5. Restart your computer and see if the error is resolved.

Method 5: Reinstall Windows 10

  1. Backup all your important files and data.
  2. Insert your Windows 10 installation media and restart your computer.
  3. Press any key to boot from the installation media.
  4. Select your language preferences and click Next.
    Press any key to boot from the installation media.
Select your language preferences and click Next.
  5. Click on Install Now and follow the on-screen instructions.
  6. Select Custom installation and choose the partition where Windows is currently installed.
  7. Click Next to start the reinstallation process.
  8. Wait for the installation to complete and then set up your computer.
    Click Next to start the reinstallation process.
Wait for the installation to complete and then set up your computer.
  9. Restore your backed-up files and check if the error is resolved.

Running the SFC Utility

To quickly fix Windows 10 Error Code 0xc000021a, you can run the SFC Utility. Here’s how:

1. Boot your operating system using a Windows 10 installation media.
2. Press Shift + F10 to open the command prompt.
3. Type “sfc /scannow” and press Enter.
4. Let the utility scan and repair any corrupt system files.
5. After the scan is complete, restart your computer.

The SFC Utility will help fix any issues with system files that may be causing the 0xc000021a error code. Running this utility is a straightforward troubleshooting method that can resolve the problem without much hassle. Give it a try and see if it resolves your issue.

python
# This code snippet demonstrates a generalized approach to troubleshoot the error code 0xc000021a in Windows 10.

# Step 1: Boot into Safe Mode
# Safe Mode allows you to start your computer with minimal drivers and services, helping to identify potential causes for the error.
# Instructions for booting into Safe Mode can be found in the Windows 10 documentation.

# Step 2: Run System File Checker (SFC)
# SFC scans and repairs corrupt system files that might be causing the error.
# Open Command Prompt as an administrator and run the following command:
sfc /scannow

# Step 3: Check for disk errors
# Disk errors can also contribute to the error code. To check your disk, follow these steps:
# 1. Open Command Prompt as an administrator.
# 2. Run the following command:
chkdsk C: /f /r

# Step 4: Update drivers
# Outdated or incompatible drivers can cause various errors, including the one you are facing.
# Visit your computer manufacturer's website or the respective hardware manufacturers' websites to download and install the latest drivers.

# Step 5: Perform System Restore
# If the above steps don't resolve the issue, you can try performing a System Restore to revert your computer's configuration to a previous working state.
# Instructions for performing a System Restore can be found in the Windows 10 documentation.

# Please note that this code is a general guideline and may not resolve your specific issue. It is always recommended to consult official documentation or seek assistance from a professional if you are unsure about troubleshooting advanced computer errors.

Remember to exercise caution when troubleshooting computer errors and always back up your important data before attempting any changes to your system.

Using the Windows Defender Antivirus Tool

1. Open the Windows Defender Antivirus Tool by searching for it in the Start menu.

2. Click on the “Virus & threat protection” tab.

3. Under the “Current threats” section, click on “Scan options”.

4. Select “Quick scan” to scan your system for any malware or viruses.

5. Wait for the scan to complete and follow any prompts to remove or quarantine any threats found.

6. Restart your computer once the scan is finished.

If the error persists after using the Windows Defender Antivirus Tool, you may need to try other methods such as repairing your operating system or restoring from a backup.

Remember to always keep your operating system and antivirus software up to date to prevent future issues.

For more detailed instructions, you can refer to the Microsoft support website or other trusted sources like Addictivetips.com or relevant forums like Reddit.

Updating or Uninstalling Device Drivers

Step Description
1 Press the Windows key + X and select Device Manager from the menu.
2 Expand the category of the device driver you want to update or uninstall.
3 Right-click on the device driver and select Update driver or Uninstall device.
4 If updating, choose the option to automatically search for updated driver software. If uninstalling, confirm the action.
5 Follow the on-screen instructions to complete the update or uninstallation process.
6 Restart your computer to apply the changes.

Uninstalling Problematic Windows Updates

To uninstall problematic Windows updates that may be causing the 0xc000021a error code on Windows 10, follow these steps:

1. Start by booting your Windows 10 machine.
2. If you encounter the blue screen error or stop error status system process terminated with the 0xc000021a error code, don’t panic.
3. Restart your computer and press F8 repeatedly until the Advanced Boot Options menu appears.
4. Select “Safe Mode” from the menu and press Enter.
5. Once in Safe Mode, open the Start menu and type “Control Panel” in the search bar.
6. Click on “Control Panel” and then select “Programs” followed by “Programs and Features.”
7. In the list of installed programs, locate the problematic Windows update that you suspect is causing the error.
8. Right-click on the update and select “Uninstall.”
9. Follow the on-screen instructions to complete the uninstallation process.
10. Restart your computer and check if the error has been resolved.

If you’re still experiencing the error after uninstalling the update, it’s recommended to seek assistance from experts or consult online forums like Reddit or the Microsoft Azure virtual machine community for further troubleshooting steps. Remember to back up your important data before making any changes to your OS to avoid any potential data loss.

Running the CHKDSK Command and Uninstalling Incompatible Software/Applications

To quickly fix Windows 10 Error Code 0xc000021a, you can try running the CHKDSK command and uninstalling incompatible software/applications. Here’s how:

1. Running the CHKDSK Command:
– Press the Windows key + X and select “Command Prompt (Admin)”.
– In the command prompt window, type chkdsk C: /f /r and press Enter.
– Follow the on-screen instructions to let CHKDSK scan and repair any errors on your disk.

2. Uninstalling Incompatible Software/Applications:
– Press the Windows key + X and select “Apps and Features”.
– Scroll down and locate the software/application causing the issue.
– Click on it and select “Uninstall”.
– Follow the on-screen instructions to complete the uninstallation process.

Remember to restart your computer after performing these steps to see if the error is resolved.

If you need further assistance or encounter any other issues, we recommend reaching out to experts on forums or seeking help from Microsoft support.

Website | + posts

Mark Ginter is a tech blogger with a passion for all things gadgets and gizmos. A self-proclaimed "geek", Mark has been blogging about technology for over 15 years. His blog, techquack.com, covers a wide range of topics including new product releases, industry news, and tips and tricks for getting the most out of your devices. If you're looking for someone who can keep you up-to-date with all the latest tech news and developments, then be sure to follow him over at Microsoft.