How to fix Blue Screen Error c000021A on Windows 10

1. How do I fix error 0xC000021A?
2. What is fatal system error blue screen?
3. What does fatal system error mean?
4. How do I fix a blue screen error?
5. How do I fix errors on Windows 10?
6. How do I get rid of the blue screen on Windows 10?
7. How do I boot up in safe mode?
8. How do I put Windows 10 into safe mode?
9. How do I fix system errors?
10. What are system errors?
11. How do I fix a fatal error in Windows 7?
12. Is Blue Screen of Death fixable?
13. Does factory reset fix blue screen of death?
14. Is blue screen of death bad?

How do I fix error 0xC000021A?

If you can't run System Restore, go to Fix 0xC000021A with Easy Recovery Essentials.

1. Restart the computer.
2. Press the F8 key or the F11 key.
3. Choose a keyboard layout, if prompted.
4. Click Troubleshoot.
5. Click Advanced Options.
6. Click System Restore.
7. Select the operating system.
8. The System Restore will now open. Click Next.

What is fatal system error blue screen?

The STOP: c000021a (Fatal System Error) error occurs when the Windows NT kernel detects that either the Winlogon.exe or Csrss.exe processes have failed. When this failure happens, the Windows NT kernel stops the system and generates the stop error message. ... You have mismatched system files installed on the system.

What does fatal system error mean?

A fatal system error (also known as a system crash, stop error, kernel error, or bug check) occurs when an operating system halts, because it has reached a condition where it can no longer operate safely.

How do I fix a blue screen error?

There are a few possible options that can solve the BSOD error and get you back to a working computer.

1. Restart or Power cycle your computer. ...
2. Scan your computer for Malware and Viruses. ...
3. Run Microsoft Fix IT. ...
4. Check that the RAM is properly connected to the motherboard. ...
5. Faulty Hard drive.

How do I fix errors on Windows 10?

1. Make sure that your device has enough space. ...
2. Run Windows Update a few times. ...
3. Check third-party drivers and download any updates. ...
4. Unplug extra hardware. ...
5. Check Device Manager for errors. ...
6. Remove third-party security software. ...
7. Repair hard-drive errors. ...
8. Do a clean restart into Windows.

How do I get rid of the blue screen on Windows 10?

Things to do first – Repair Blue Screen

1. Right-click This PC.
2. Go to Properties.
3. On the left-hand side, click Advanced System Settings.
4. Under Startup and Recovery, click Settings.
5. Now, under System Failure, untick the checkbox that says Automatically restart.
6. Click Ok to save and continue.

How do I boot up in safe mode?

Starting Your Phone in Safe Mode

First, completely power off the phone. Then, power on the phone and when the Samsung logo appears, press and hold down the Volume Down key. If done correctly, "Safe Mode" will display on the bottom left corner of the screen.

How do I put Windows 10 into safe mode?

How do I start Windows 10 in Safe Mode?

1. Click the Windows-button → Power.
2. Hold down the shift key and click Restart.
3. Click the option Troubleshoot and then Advanced options.
4. Go to “Advanced options” and click Start-up Settings.
5. Under “Start-up Settings” click Restart.
6. Various boot options are displayed. ...
7. Windows 10 starts in Safe Mode.

How do I fix system errors?

How can I fix File system error (-2018375670)?

1. Run the chkdsk command.
2. Run a virus/malware scan of your entire system.
3. Try DISM scan.
4. Use the System File Checker tool.
5. Set Windows 10 theme to default.
6. Change sound scheme of your PC.
7. Reset Windows Store cache.
8. Run Windows Update.

What are system errors?

Definitions of system error. noun. an instruction that is either not recognized by an operating system or is in violation of the procedural rules. see more. type of: command, instruction, program line, statement.

How do I fix a fatal error in Windows 7?

How to Fix Fatal Error in Windows 7/8/10

1. Method 1: Select the Windows Version.
2. Method 2: Run Scanreg Command.
3. Method 3: Replace Corrupted System Files.
4. Method 4: Repair the Registry.
5. Method 5: Perform the SFC scan.
6. Method 6: Uninstall Recently Installed Applications or Drivers.
7. Method 7: Verify the Hardware.

Is Blue Screen of Death fixable?

The BSOD is typically a result of improperly installed software, hardware, or settings, meaning that it is usually fixable.

Does factory reset fix blue screen of death?

Therefore, when you factory reset your Windows PC, it only fixes a few minor issues with the driver. Any major problem such as outdated drivers is not resolved by resetting the PC. In addition, if the cause of BSOD is related to hardware, resetting PC is not going to help at all.

Is blue screen of death bad?

Although a BSoD won't damage your hardware, it can ruin your day. You're busy working or playing, and suddenly everything stops. You'll have to reboot the computer, then reload the programs and files you had open, and only after all that get back to work. And you may have to do some of that work over.