Windows 10 users have been facing a common yet frustrating error known as Error 0xc000021a. This error usually occurs when there is a problem with the Winlogon or CSRSS (Client Server Runtime Process) processes. When this error occurs, users are greeted with a blue screen and are unable to access their system.
To fix this error, there are a few methods that users can try. One common solution is to use the Windows Automatic Repair tool, which can help in repairing any corrupted system files. Another method is to use the System File Checker tool, which can scan and repair corrupted system files. Additionally, users can try booting into Safe Mode and performing a system restore to a previous point where the error was not present.
It is important to note that if these methods do not work, it might be necessary to seek professional help to diagnose and fix the issue. Overall, Error 0xc000021a in Windows 10 can be a frustrating problem, but with the right troubleshooting steps, it can be resolved effectively.