#0xc000021a
BSOD Error 0xc000021a On Windows 10
Error 0xc000021a On Windows 10
When you get this error it is usually caused by an issue with one of two files.
Winlogon.exe – This file handles the logon and log off process when you get to the windows 10 desktop. This file could of been deleted, damaged, corrupted or has been replaced by a 3rd party software.
csrss.exe – This file is a core operating system file that handles the graphical instruction of the windows 10 system. Again this file could of been deleted, damaged, corrupted or has been replaced by a 3rd party software.
It can be very scary when you are experiencing this BSOD error 0xc000021a and your machine will not boot to the desktop, You worry you will lose all your data. Well don’t worry as this issue is easy to fix, Just follow the steps listed below. I have even created a video below which shows you how to Easily Fix The BSOD Error 0xc000021a On Windows 10.
Method 1 – Fix Corrupt Files
I always like to start by fixing corrupt files on your system as I have seen this resolve many non booting systems in my time. I also like doing this first as it means we are not making any changes to the system. To fix the corrupt files do the following.
chk disk /f /r
. sfc /scannow
. dism/online/cleanup-image/restorehealth
. dism /image:C:\ /cleanup-image /revertpendingacti