The Last Known Good Configuration mode is considered to be a instant fix for the 0xC000021A error. The 0xC000021A error is also identified as a Blue Screen of Death or BSoD error that happens while the Windows user-mode subsystem is compromised. Inside the error checking section, click on check. It may require the administrator permission, grant the administrator permission. You may be asked to select your account and it may also ask you to enter the password, select the account, and enter the password.

After booting the Windows OS setup, go to System Recovery and select the command prompt. In some situations, the Windows system will not boot into Safe Mode, so you need to restore your registry manually from the command prompt. To do this you’ll need your original Windows OS disk or an ISO image on the bootable flash drive with your Windows operating system.

[Bug Fix] Blue Screen Error, Stop Code 0xc000021a

In today’s article, we will review some ways that you can troubleshoot a basic hard drive. We will explain how to run CHKDSK under Windows 10 in the next steps. Remember that the CHKDSK is not very useful if you are dealing with a physically damaged hard drive, but it can be a great tool for fixing bugs and help troubleshoot the real issue. Breaking or damaging the hard drive can cause panic to anyone.

Roxanne is one of the main contributors to EaseUS and has created multiple posts on digital devices like PCs, Mobile phones, tablets, Mac, etc. She loves to share ideas with people of the same interest. Now, you have to restart your computer, and you will get rid of all the unnecessary registry items. Type “Reg” into the Windows 10 search bar, then select the Registry Editor app.

• Malwarebytes is the most powerful anti-malware solution, and it allows you to scan your PC whenever needed.
• First, identify the system drive name to do this Type Diskpart when the disk part starts type list volume to determine the system volume as bellow image.
• No matter the cause, this glitch can be easily fixed by choosing one of the two methods described below.
• With the help of System Restore, you can bring your [Link] computer back to a point before the restart your PC to repair drive errors appear .

You might also want to physically clean the PC as well as use a dedicated PC cleaner tool — just don’t do both at the same time. Hard bad sectors occur when the media is physically damaged, like when a speck of dust lands on the disk or the read/write head makes contact and ruins the surface. Chkdsk cannot run because the volume is in the use by another process.

Fix Stop Code Error 0xc000021a On Windows 10, 7 and xp

One of the best ways to fix corrupted files is try this kyocera driver by using SFC scan. System File Checker is a built in tool in windows which scans system foe errors and identifies files those are corrupted. And if needed it replaces or repairs the files. For users who are looking for a tool to recover unsaved files due to the error, Bitwar Data Recovery can do the trick. It will help you recover important files safely and efficiently.

He says it’s best practice to create a System Restore Point before making any changes to your PC. Each time your computer shuts down, a copy of the registry is saved to system memory. If your computer is turned off, crashes, or dies without going through the normal shutdown routine, it could cause an issue in the future, but this is unlikely.