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How to troubleshoot a STOP 0xC000021A error in Windows 10 & 8

You may get error 0xc000021a in Windows 10 after executing a repair install or after upgrading. Let's read how to fix this problem

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How to troubleshoot a STOP 0xC000021A error in Windows 10 & 8

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  1. 3 Methods To Fix: Error 0xc000021a in Windows 10 & 8

  2. HOW TO FIX ERROR 0XC000021A IN WINDOWS 10/8 • METHOD 1: BOOT YOUR WINDOWS IN SAFE MODE • METHOD 2: RESET THE COMPUTER’S BIOS • METHOD 3: USING SFC SCAN TO FIX WINDOWS 10: BSOD ERROR 0XC000021A

  3. METHOD 1: BOOT YOUR WINDOWS IN SAFE MODE • Step 1. You need to boot your computer manually. To do that, hold the Shift key and clicking on the Restart from the Power options for Windows. In case if you can’t access the Restart option on Windows 10, you should have to start the computer with a bootable Windows 10 DVD or USB drive. • Step 2. When a blue option screen appears, you select Troubleshoot to go to the advanced tools. • Step 3. Next, you select the Advanced option. • Step 4. On the next screen, you select Startup Settings. • Step 5. On the Startup Settings Screen, you press F7 labeled as Disable driver signature enforcement.

  4. METHOD 2: RESET THE COMPUTER’S BIOS • Step 1. First of all, shut down your computer. • Step 2. At this step, you make sure that your computer access to electricity is completely cut off. Then remove any and all power cables from your computer. • Step 3. Now open your computer’s chassis. • Step 4. Next, you need to look for your computer’s CMOS battery and remove it. • Step 5. Wait for around 2-3 minutes. • Step 6. Then you replace the battery and put your computer’s casing back together. • Step 7. Lastly, you start the computer up and check if the error 0xc000021a has resolved.

  5. METHOD 3: USING SFC SCAN TO FIX WINDOWS 10: BSOD ERROR 0XC000021A • You can also use System File Checker Scan in order to resolve issues related to corrupted files causing this error. Read more this tutorial to run a full SFC scan on your computer.

  6. I hope these solutions above will help you fix error 0xc000021a in Windows 10 and Windows 8. If you have any other Windows and Office related issues you can check for the solution in my Windows fix section. Source: https://windowsfreeapps.com/fix-error-0xc000021a-windows-10-8

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