It happens all the times that some system files get damages or corrupted, resulting in a mess and system failure in the end. Method 2: Run sfc /scannow to fix system file errors
Find out and click "Disable driver signature enforcement." If you want to boot to safe mode, then select "Safe Mode with Networking". On the startup screen, there are many options listed. There is a couple of options on the screen now and you need to click "Startup Settings". Select "Troubleshoot" to enter next screen where you can see "Advanced option".
Wait for a while you'll see several options on the screen.
If you have bootable Windows 10 DVD or USB disk, you can click "Repair your computer" to continue following steps. Select "Shut down or sign out" item and choose "Restart" on the sub-menu. Right-click the Start button on the lower-left corner of the desktop. You can try solution here to troubleshoot this BSOD error.
Here are a bunch of solutions to fix this error under different system versions.
The stop error occurs also can be caused by computer threats such as virus which can infiltrate into computer when you do not care about your online actions, for instance software from insecure site or launch program received from stranger's email.Mismatched system files have been installed. In complete system upgrading process or failed system update.Newly installed third-party software is not compatible with operating system.
If the partition is full and can't provide free space to perform tasks and access data, various error may come up. Windows system is running in system partition which should have certain free disk space.
System has to fulfill all kinds of tasks, such as install or uninstall programs, access data, update system, etc. Windows may emerge various problems during daily use even though it works smoothly after installation. That might be caused by a third-party GINA DLL, a substitutable DLL, which is loaded by Winlogon.exe. Consequently, system kernel detects that and raised the BSOD issue. More specifically, the Window error appears while Windows processes can't works properly, such as Winlogon.exe and Csrss.exe stop running. You should keep calm and remember when and where the stop error appears, which will be crucial information to find out solutions. Sometimes, it evens appears during software installation. Besides, the error happens to other situations, for instance, you've installed new program or hardware.
Afterwards, what users can do is starring at a heap of unclear statements showed on screen. Getting an error during working such as Windows update error 0x80070005 is one thing, but getting a BOSD (blue screen of death) error 0xc00002a while you start a computer is a totally another story. In general, it takes several or tens of seconds to boot system, while during the startup process the error 0xc000021a takes place and blocks system boot up. Operating system is one of the most essential ingredients of computer which supports running various applications normally. This error can appear in most of Windows systems. The windows error code 0xc000021a occurs when critical system processes fails to run or system is unable to start. Fix BSOD Stop Error 0xc000021a for Windows Vista, 7, 8 and 10