Easy & Safe: How to Fix Lenovo 0xc000021a Error

User Case: Lenovo 0xc000021a

If you also encounter the Lenovo 0xc000021a error mentioned in the case, you can continue to read this article to understand why this error occurs and how to solve it effectively. This article also provides the best solutions to prevent similar errors from happening again. Read on for more details.

What is Error 0xc000021a?

Lenovo 0xc000021a error code is a Windows 10 update error. When this error occurs, the blue screen shown in the picture below will appear. The Windows 10 version 22H2 feature update is in the final stages of rolling out and is now earmarked for broad deployment.

Microsoft will provide this update to an expanded set of eligible devices running Windows 10, version 20H2, and later, as part of a broad rollout phase. However, some Windows devices may start with a blue screen error (0xc000021a) after installing this update.

How to Perform Windows 10 0xc000021a Fix

In order to solve this Windows update error, Microsoft officially gave a corresponding solution. And besides this method, Microsoft does not recommend users to take any other method, especially delete hidparse.sys from the Windows\System32 folder. Next, you can fix this error 0xc000021a in Windows 10 according to the following method.

Step 1. You will need to enter Windows Recovery Environment.

​Step 2. Select the Troubleshoot button.

Step 3. ​Select the Start recovery, troubleshooting, and diagnostic tools button.

​Step 4. Click Advanced Options​ > Command Prompt and wait for your device to restart if needed.

​Step 5. Your device should restart to a Command Prompt window. You might need to sign into your device with your password before getting to the Command Prompt window.

Step 6. ​Run the following command (Note: If Windows is not installed to C:\windows you will need to modify the command to your environment):

xcopy C:\windows\system32\drivers\hidparse.sys C:\windows\system32\hidparse.sys

​Step 7. Once the previous command completes, type exit.

​Step 8. Select the Continue button.

When you have finished all the steps, your Windows operating system should now start up as expected.

Prevent Risks of Lenovo 0xc000021a or Other Update Problems

After fixing this Lenovo 0xc000021a error, in order to prevent the risk of Windows 0xc000021a error or other update issues. It is recommended that you develop the habit of regularly backing up your system.

This can not only protect the security of data well but also if your computer encounters blue screen errors caused by Windows 10 update problems again. Don’t worry, you can directly use the system image created earlier for quick restore. You can then use your computer normally without losing any data.

AOMEI Backupper Standard, a free professional backup software, can help you accomplish your goals easily. It not only provides a system backup function but also provides file backup, disk backup and partition backup functions to meet various backup needs of users. It also has the following advantages.

Scheduled backup: You can set different backup frequencies including Daily, Weekly, Monthly, and the software will automatically backup your Windows 10 system regularly according to the frequency you set.

Multiple backup paths: It supports multiple backup destination paths, you can backup the Windows 10 operating system to an internal/external hard drive, USB flash drive, network and cloud service.

Different operating systems: Except for Windows 10, it also supports various Windows PC, such as Windows 11/8.1/8/7/XP/Vista, etc.

Then you can download this freeware and follow the graphic tutorial below. If you are a Windows Server user, you can pick AOMEI Backupper Server.

Step 1. Open the software and click Backup > System Backup.

Step 2. It will select system partition and boot-related partitions automatically. And you just need to select a destination.

Step 3. Click Start Backup to backup the Windows 10 system.

Notes:✎...

Options: You can write comments, compress or split an image file and enable email notifications.  

Schedule Backup: It can run the backup task automatically at fixed intervals, such as Daily, Weekly, Monthly, Event trigger, and USB plug in. The last two are available in the Pro version.

Backup Scheme: It provides 3 backup methods (Full/Incremental/Differential). And the differential backup method are easier to restore, you can upgrade to the Professional or higher versions to enjoy it.  After the upgrade, you can also enable the automatic backup cleanup feature to save disk space.

Summary

This article explains what this Lenovo 0xc000021a error is, what is the solution to deal with it and how to avoid the risks of similar Windows update errors. Regularly backing up your system with the free professional backup software AOMEI Backupper Standard is a good preventative method. It can not only help you well resist the risk of data loss, but also allow you to quickly restore the system backup created before when you encounter a blue screen error.

In addition, if your computer encounters a blue screen of death error and the computer cannot start, this software also provides the functions of creating a bootable disk and Universal Restore to help you restore the system backup to a computer on different hardware. You can download this software to explore more useful functions!