What is error code 0xc000021 Windows 10?

0xC000021A is a common error with multiple names including stop code, death error, and others. You will get a blue death screen showing this error and a notification, "Your PC ran into a problem and needs to restart" It means that the system has detected some problem with your device that needs to be fixed.

What causes stop code 0xC000021A?

Cause. Error 0xC000021A means STATUS_SYSTEM_PROCESS_TERMINATED. This error occurs when a critical process, such as WinLogon (winlogon.exe) or the Client Server Run-Time Subsystem (csrss.exe) fails. Once the kernel detects that either of those services have stopped, it raises the STOP 0xC000021A error.

What is error 0xC000021A after Windows Update?

The known issue is likely caused by a mismatch between hidparse. sys file versions in system32 and system32/drivers in the Windows folder, "which might cause signature validation to fail when cleanup occurs." "This update addresses a known issue that might affect startup on some Windows devices," Microsoft said.

What is bug check 0xC000021A?

The STATUS_SYSTEM_PROCESS_TERMINATED bug check has a value of 0xC000021A. This means that an error has occurred in a crucial user-mode subsystem.

How do I fix Windows 11 error 0xc000021A?

0xc000021a Fix Windows 10 / 8 | Your PC ran into problem and needs to restart. How to Fix Quickly?

What is error Windows 8.1 0xc000021A?

Error 0xc000021A usually occurs when the files Winlogon.exe or Csrss.exe are damaged. Winlogon.exe is responsible for handling the login and logout processes. Csrss.exe belongs to Microsoft Client or Server 'Runtime Server Subsystem'.

What is error 0xC000021A Windows Server 2012 R2?

The Error code 0xc000021a is because of the boot loop of the server, and your machine can run into a reboot loop with a "We couldn't complete the updates" message after the update. Before fixing the issue, we will go through the factors responsible for the Windows Server 2012 boot loop, Update failure.

What is error 0xC000021A Windows Server 2012?

If you have created a full server backup before you experience error 0xC000021A in Server 2012 R2, you can fix this error via System Image Recovery. Insert Windows Server 2012 R2 installation media into your server and boot from it. At the Windows Setup screen, click Next. Then click Repair your computer.

How do I fix error 0xC000021A on Windows 10?

How to boot Safe Mode Windows 10?

How do I reboot into safe mode?

From the sign-in screen

On the Windows sign-in screen, press and hold the Shift key while you select Power > Restart .

How do I get to Windows recovery?

Select the Start button, then select Settings > Update & Security > Recovery .

How to recover Windows 10 without Recovery?

Does resetting PC remove virus?

Running a factory reset, also referred to as a Windows Reset or reformat and reinstall, will destroy all data stored on the computer's hard drive and all but the most complex viruses with it. Viruses can't damage the computer itself and factory resets clear out where viruses hide.

How do I factory reset Windows 10 without settings?

You can do this by using the boot option menu when you start the PC. To gain access to this, go to the Start Menu > Power Icon > and then hold down Shift whilst clicking the Restart option. You can then, go to Troubleshoot > Reset this PC > Keep my files to do what you ask.

What happens if you restart Safe Mode?

When you boot Android phones in Safe Mode, it disables third-party apps and various useful Android widgets. If your device works normally in Safe Mode, that means a third-party app is the culprit.

How to repair Windows 10?

Select Start > Settings > Update & Security > Troubleshoot, or select the Find troubleshooters shortcut at the end of this topic. Select the type of troubleshooting you want to do, then select Run the troubleshooter. Allow the troubleshooter to run and then answer any questions on the screen.

How do I force Windows to start in Safe Mode?

Use Shift+Restart

Hold the Shift key while clicking Restart from the Shut down or sign out menu. Select Troubleshoot > Advanced options > Startup Settings >Restart. After the PC restarts, there is a list of options. Select 4 or F4 or Fn+F4 (following the on-screen instructions) to start the PC in Safe Mode.

Why can't i open Safe Mode Windows 10?

Windows Won't Boot into Safe Mode FAQ

Go to Settings > Update & Security > Recovery > Restart now. Go to Troubleshoot > Advanced options > Startup Settings > Restart. Press the F4 key to enter Safe Mode.

How do I fix startup repair in Windows 10?

On the Install Windows screen, select Next > Repair your computer. On the Choose an option screen, select Troubleshoot. On the Advanced options screen, select Startup Repair. After Startup Repair, select Shutdown, then turn on your PC to see if Windows can boot properly.

Can you boot into Safe Mode from command prompt?

Does booting in Safe Mode bypass password?

Let me first confirm that, PIN password option for login will not be enabled when you go to Safe Mode. You will only be allowed to use a Password to access your PC. If it is a Local account, then sadly you don't have any option to fix this, unless you have password recovery disk.

How to bypass Windows 10 password?

In the Command Prompt window, type net user username “” and press Enter. Replace username with your actual Windows account name. This will reset your Windows 10 password to blank. Close the Command Prompt window and click Sign in on the login screen to log in to Windows 10 without a password.

What are the 4 ways to fix Windows 10 startup?

Four of the top approaches for solving Windows 10 boot problems are launching the Startup Repair tool, repairing the Master Boot Record (MBR), scanning the system for corrupt or missing files, and running the Deployment Image Servicing and Management (DISM) tool.

Is there a Windows 10 repair tool?

Answer: Yes, Windows 10 does have a built-in repair tool that helps you troubleshoot typical PC issues.