You are not alone if you are facing an error 0xc000021a Windows 10. Many Windows 10 users face this particular error while booting the PC. A blue screen appears and the computer keeps restarting in a loop of boots. The PC can’t seem to get out of the loop and keeps throwing an error message. Blue screen of Death (BSOD) appears when core system files are damaged or modified. While the error is severe but we can definitely help you in fixing Windows 10 error 0xc000021a. Go through this article to know about effective troubleshooting tips and tricks.
Windows computers are known for throwing errors out of the blue. Error 0xc000021a suggests that Master Boot Loader (MBR) is facing some technical glitches. There could be various reasons behind these issues. It seems like the computer could not complete Windows update properly and affecting the booting process.
Error 0xc000021a Windows 10 occurs when WinLogon.exe is corrupted. This application is responsible for displaying the Windows Login interface after booting the system. Since this error is showing it means, either the login credentials are corrupted or Windows login system is broken.
Further, there can be malware or viruses with high-threat on your PC which may have altered the system files. These core system files are essential for the smooth working of a computer. By default, these files are protected from any alteration. However, due to the high-threat nature of viruses, it breaks the safety protocols and affects the system files.
Having said that error 0xc000021a Windows 10 is not new and it has been a known problem since Windows 7. If you are facing this issue, then don’t worry we are going to help you using this guide.
Turn on your computer and it will throw error 0xc000021a Windows 10. Let it reboot, the PC collects log files during the process for the system recovery. After reboot, it will again show the same error. Let it reboot for 3-4 times.
When the PC reboots and can’t go through the initial boot, Windows has an inbuilt diagnostic tool which kicks in when abnormal booting is encountered. Let the self-diagnostic tool kick in.
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