Windows 10: 0xc000021a BSoD on startup

Went to start up my computer today and was sent into a loop of attempting to fix and failing a blue screen of death error on startup. I am able to boot just fine from my hard drive, and am still able to access files on my SSD. However, this problem is present when booting from the SSD. I have a feeling it has something to do with a recent update, though I am not too sure. Specifications:Ryzen 5 3600RX 5700 XTB450 Tomahawk MAXMasterwatt 650 Bronze2x8GB DDR4 3600 RAMSamsung 970 Evo 500gb SSDDon't know exact name WD 2TB HDDWindows 10 HomeTwo different outcomes seem to occur when I turn the comp

:)

 

Stop code 0xc000021a BSOD

Hi,

The blue screen with the stop code 0xc000021a error that you've encountered can be triggered due to corrupted or missing registry files. To effectively assist you with your concern, we suggest that you boot your device in Safe Mode trough the Windows Recovery
Environment. Here are the steps on how to trigger Safe Mode:

• Turn on your computer.
• When the Windows logo appear, unplug the power source of your computer.
• Perform this step three times. On the fourth time, wait for the Windows Recovery Environment (WinRE) to appear.
• On the Choose an option screen, select Troubleshoot
  > Advanced options > Startup Settings and click
  Restart.
• Once your computer restarts, you will see a list of options. Press the
  F4 key to start your computer in Safe Mode.

Once you're done, wait for your device to turn on and check if you encounter the same issue.

Feel free to post back if you encounter any challenges along the process.

 

0xc000021a Stopcode

Hi Stephen,

One of the possible reasons why you’re getting the stop error code 0xc000021a is because of an incompatible hardware that's connected to the computer. To get started with troubleshooting this, you can follow the suggested fixes provided by
MohammandEskandary on this
thread.

In the event that it doesn't work, we suggest that you check this
article for more troubleshooting steps in resolving this stop code error 0xc000021a.

Let us know if the issue has been resolved. Otherwise, we’ll be here if you need further assistance.

 

error 0xc000021a

Hi,

Corrupted system files may have caused the error 0xc000021a on your Windows 10. To correct this issue, we suggest that you perform the steps below:

• Hold down the Shift key on your keyboard while you select
  Restart (Shift+Restart) from the power options for Windows.
• Windows Recovery Environment window will come up.
• On Choose an option screen, select Troubleshoot.
• In the Troubleshoot screen, select Advanced Options.
• Select Startup Repair, it will scan and repair your computer automatically.

Let us know if you need further assistance.