Every new update from Microsoft for Windows 10 creates problems for computer users. Every update comes with new bugs and it always hurts computers. Similarly, this stop code 0xc00021a is also an error in Windows 10 operating system. It is a blue screen error that occurs when the system crashes after updating or reinstalling the operating system.
This Windows 10 0xc00021a shutdown code means that “your computer has encountered a problem and needs to reboot”. This error is displayed every time you reboot your computer. However, you cannot reboot your computer because the operating system is frozen.