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c000021a Blue Screen Error: Best Ways to Fix It
To fix c000021a BSOD, you need to repair corrupted system files
3 min. read
Updated onOctober 4, 2023
updated onOctober 4, 2023
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Key notes
Blue screen errors can be troublesome since they cause your PC to crash. One BSOD error that many users reported recently is c000021a.
If you’re unfamiliar with BSOD errors, we have a great guide onBlue screen causesthat we suggest you read before trying any solutions from this guide.
Before we can fix this issue, let’s take a closer look at what causes this error to appear.
What does stop code 0xC000021A mean?
c000021a is a BSOD error, and it’s usually caused by the following:
How do I fix c000021a fatal system error?
1. Update/uninstall the problematic driver
In some cases, you need to update your drivers, and you can do this by following these steps:
After updating or reinstalling your drivers, the c000021a error will be gone.
2. Run SFC/DISM scan outside Windows
If you can access Windows you can fix the c000021a error by doing the following:
These are just a couple of solutions that can help you fix the c000021a BSOD error on your PC. As you can see, in most cases, the problem is related to system corruption or drivers.
For more solutions, we have a great guide on how to fixBSOD on Windows 11, so we encourage you to visit it for more in-depth solutions.
What solution did you use to fix this problem? Let us know in the comments section below.
More about the topics:Blue Screen of Death,BSoD error codes
Milan Stanojevic
Windows Toubleshooting Expert
Milan has been enthusiastic about technology ever since his childhood days, and this led him to take interest in all PC-related technologies. He’s a PC enthusiast and he spends most of his time learning about computers and technology.
Before joining WindowsReport, he worked as a front-end web developer. Now, he’s one of the Troubleshooting experts in our worldwide team, specializing in Windows errors & software issues.
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Milan Stanojevic
Windows Toubleshooting Expert
Before joining WindowsReport, he worked as a front-end web developer. Now, he’s specialized in Windows errors & software issues.
