How to Fix Error Code 0xc000021a Blue Screen of Death Problems on Windows XP/7/8/10 Computer

Gets Stop Error Code 0xc000021a and Windows Computer Wont Boot

Windows xp/7/8/10 computer goes to blue screen and says: "Your PC run into a problem and needs to restart. We just collecting some error info, and then we'll restart for you...if you'd like to know more, you can search online latter for this error: 0xc000021a..." after you do have upgraded Windows operating system, changed computer hard drives or replaced computer drivers, etc? Windows PC also cannot restart now? No panic! And the related error code 0xc000021a blue screen of death issues are often caused by damaged Windows 10/8/7/xp problems and able to be fixed with ease. Read this article to read more details to fix error code 0xc000021a problems.

What Is Error 0xc000021a?

The stop error code 0xc000021a for Windows PC often indicates there are some problems with the computer operating system, like deleted/lost/corrupted OS files and folders, in most similar cases. However, it is not the only cause behind such error 0xc000021a bsod issues.

Why Computer Boots to Blue Screen and Shows 0xc000021a Error Code?

When your computer crashes/boots/shuts down to blue screen of death and gives error code 0xc000021a, you can take these below common reasons behind such computer error code problems into consideration:

1). Windows computer operating system problems

In daily uses, these computer stop error 0xc000021a problems are often aroused by PC operating system problems in several situations:

* Computer Windows operating system files are deleted or corrupted by mistake

If you do have accidentally removed/corrupted/deleted computer OS files and folders while trying to delete computer files, format PC hard drive or partition or perform the like operations, such 0xc000021a error problems would come to you.

*Only administrator is allowed to access computer OS

You are trying to boot up computer with guest or administrator account? Honestly, when you do have set access authority there, you often cannot start up PC smoothly unless you do have logged in with an administrator account, not guest account.

*Antivirus software deletes OS files as malicious viruses/threats

Have you installed and applied a safe and effective antivirus software there? In these days, the computer operating system files and folders are also able to be detected and deleted as malicious viruses/threats by some fake antivirus software.
Overall, no matter how your situation is, go check your PC OS files and folders to see whether there are some essential or crucial data deleted.

2). PC driver problems

Have you installed or update any new computer drivers recently? Any incorrect/outdated/corrupted computer drivers are also able to bring you BOSD error 0xc000021a issues.

3). Computer hard drive/storage device problems

Have you checked the PC hard drives or storage devices to see whether they are workable or not? Actually, while the computer hard drive/storage device is damaged or failed, the computer performance will also be affected and the like Windows error code 0xc000021a problems would also occur to you.

==>>Go visit this page to see how to fix not recognized/corrupted hard drive without data loss

How to Fix BSOD 0xc000021a Error Problems in Windows PC?

Here are some ways for you to fix BSOD error code 0xc000021a problems:

1). Restart PC

As you are suggested, restart this computer with error 0xc000021a issues to see whether it is still workable. Honestly, when your PC only have some temporary issues, including too high usage, too hot problems and more, this way always changes things.

2). Log in as administrator

If these computer error code 0xc000021a issues are really caused by access authority problems, go log in your PC with an administrator account to take chances.

3). Update or replace computer drivers

If you do have changed the computer drives in recent days, try to update or replace the drivers to see whether such error 0xc000021a problems are able to be removed or not.

4). Restore computer operating system

After checking all related computer operating system files and folders, you just find many important OS files are deleted or gone? Merely go open your search engine to search and download some new ones to take chances.
However, if the manually downloaded OS files cannot work there, also try to restore computer to previous state to have another try.
Please Note: No matter whether you will restore the computer operating system, always prepare computer hard drive data backups well in advance in case of worse file loss issues.

5). Reinstall computer Windows OS

Of course, if the PC OS is really corrupted and irrecoverable, also to remove the original version and reinstall the Windows operating system instead.

6). Change another antivirus tool

If you doubt that your PC OS files and folders are mutely deleted by antivirus software used on your computer, also go download and try another antivirus tool instead.

==>>And, go check this page to download 5 best free antivirus tools

7). Fix or replace computer hard drive

If possible, also check inserted computer hard drives to see whether it is the time to change a new one.

In short, no matter which way you will choose to fix computer error code 0xc000021a blue screen of death issues, hope these solutions will be useful.

Related Articles

More Articles That You May Be Interested

Free File Recovery > Howto Resource > Fix Errors > Fix BSOD Stop Error Code 0xc000021a Problems