The 0xC000021A error can occur if there were corrupt system files in the computer, a failed upgrade, or an incomplete installation of a software program.

Repair Corrupt System Files.
Booting Windows Manually.
Fix the Issue using SFC Scan.
Reset the computer’s BIOS.
Repairing Corrupt Files.
Repairing Disk Drive.
Replace any and all corrupted registry hive files with backups.

How to fix error code 0xc000021a on Windows 10?

Part 2: 11 Solutions to Fix Stop Code 0Xc000021A 1: Error Method Turn off external devices.
Method 2: Repair corrupted system files.
Method 3: Start Windows without driver signing support.
Method 4: Remove newly installed software/hardware
Method 5: Run the DISM command.
Method 6: Replace any corrupted Hive registry files with backups.
Method 7: BIOS reset.
Method 8: System Restore.
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How to fix 0x00000050 errors in Windows 10?

Boot into safe mode by pressing the F8 Top Secret key during the boot process or using the Windows 10 installation media.
Uninstall security software.
Restart normal mode and recheck. If the computer no longer runs without errors, try another updated version of the software application and retest.

How to fix file system error in Windows 10?

Check for Windows updates. If there is a known file system error issue, Microsoft will most likely fix it as soon as possible.
Restart your computer. Sometimes all it takes is to restart your computer to fix a bug that seems to be preventing you from launching files, game components, and applications.
Uninstall the latest kit updates.

How to fix Windows 10 update error 0x80190001?

What to do if you encounter Windows 10 update error 0x80190001 Solution 1 – Run the Windows update troubleshooter.
A few solutions: check the time and date.
Solution Step 3: Remove connected external hardware (if any) Connecting third-party hardware to the computer during the process can cause errors where it can happen
Solution 2 – Delete the software distribution folder
Solution Perform 5: Clean boot.
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How do I fix error oxc000021a?

Windows generates 10 stop code errors at verdict 0xc000021a

How do I fix stop code oxc000021a?

Fix Windows 10 Stop Code Run Error 0xc000021a

1. You must restart your computer by holding down the SHIFT key on your current keyboard to start the computer through advanced startup options.
2. Now choose the computer screen off troubleshooting approach.< /li> li >
3. Troubleshooting > Reset this PC (select). To
4. Go to Reset this PC > Keep my version (Select)

What does stop code oxc000021a mean?

Error 0xC000021A is a Blue Screen Death or BSoD (meaning: Blue Screen Death of guide) error when the Windows user mode subsystem is actually compromised.