Best Way to Fix stop Error Code c000021a in Windows

In your Windows computer, you can work with many applications to complete your technical works. But it is also a problem that sometimes, due to some unusual processes or due to the damaging of some of the components, your computer gives you some error issues. Stop error code c000021a in Windows is also such types of issue that comes to your computer due to the damaging or corruption of the Windows device drivers. It is a very annoying issue that should be resolved as soon as possible as it may harm the computer data very badly. You can go through some manual methods or you can also download and install Advanced System Repair Tool to fix the issue automatically.


{Compatible with Windows 8, 7, XP, ME, Vista, 98, 2000 (32/64)
File Size: 4.9MB Download Time: <(dsl, 2sec, dialup 2min)>}

Symptoms of Windows stop error c000021a –

There are many symptoms you may see after occurring of the stop error code c000021a in Windows like slow performance of the computer, unable to install or uninstall any applications, opening of some applications or programs without your permission, automatic shutdown, repetitive restarting, startup issues, system sticking, screen freezing, etc.

Causes of stop error code c000021a in Windows –

There are many causes that are responsible for the occurring of the Windows stop error c000021a in your computer like incomplete installation of the Windows operating system, damaging of the Windows device drivers, virus invasion, wrong registry entries, misconfigured Windows system files, failure of the hard drive, software or hardware incompatibility, etc.

How to fix stop error code c000021a in Windows –

With the help of the following manual process, you can fix the issue of Windows stop error c000021a in your computer:

  1. First of all restart the computer.
  2. Run a strong antivirus to fix the virus infections.
  3. Open the command prompt and run SFC/SCANNOW command.
  4. Repair the registry entries with registry cleaner.
  5. Update the device drivers.
  6. Install all the possible Windows updates.
  7. Replace the hardware or software if incompatible or outdated.
  8. You can also reinstall the Windows OS completely.

With the help of the above manual method, the stop error code c000021a in Windows will be resolved properly. But one thing you should also keep in your mind that going through the manual method may need a strong antivirus tool to fix the issue manually. Otherwise, you can also fix the issue automatically with Advanced System Repair Tool.


{Compatible with Windows 8, 7, XP, ME, Vista, 98, 2000 (32/64)
File Size: 4.9MB Download Time: <(dsl, 2sec, dialup 2min)>}

Advanced System Repair Tool is one of the best tools in the world that is used to fix the entire Windows problems. The tool will first scan the whole computer and find out the errors to remove them from the system. It will also repair the registry entries and enhance the performance of the computer.


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