Fatal Error c000021a is a type of Windows stop error also known as the blue screen of death (BSoD) error. When this error occurs, it causes the computer screen to go blue and locks the user out of the current activity.
This error code is fatal and can lead to serious issues like system crashes and freeze.
The error code is usually displayed in the following format:
STOP: c000021a {Fatal System Error}
The Windows Logon Process system process terminated unexpectedly with a status of 0xc0000034 (0x00000000 0x0000000)
Fatal Error c000021a occurs when the Windows kernel detects that either Winlogon.exe or Csrss.exe service processes have stopped responding or failed to load. When this happens the error code pops up on the screen.
Nonetheless, this is not the only reason for the occurrence of this error. There are plenty more reasons why Fatal Error c000021a may pop on your computer screen. These include:
No matter what the reason may be, it is advisable to fix the error right away without any delays. Remember it is a fatal error and can cause a great deal of damage to your PC.
Fatal Error c000021a is a serious PC issue but this does not mean you have to hire an expert to get it fixed. The good news is that this error is actually quite easy to resolve.
You don’t have to be a technical whiz or a computer programmer to fix Fatal Error c000021a on your PC.
Here are some do it yourself methods to fix this error code right away without any hassle:
Let’s get started:
As we mentioned about corrupt or missing drivers can be one of the many reasons for the occurrence of this error. So, check the drivers first. Perform a driver scan and make sure all your drivers are updated.
To do this, first launch Task Manager by pressing CTRL+SHIFT+ESC on your keyboard. Now click on the application tab and then click ‘New Task’ then browse.
After that, go to C:\Windows\System32\Restore folder and then double click the rstrui.exe file. This will help start system restoration. Your computer will reboot during the process and hopefully, the error will be resolved.
Nonetheless, if the error still persists then try methods 3 and 4.
Sometimes Fatal Error c000021a may also occur due to malware infection. Your PC may be affected by viruses hidden in different locations without you knowing about it.
Therefore to resolve this error, it is recommended to run an antivirus and scan for viruses. If detected, remove them right away to fix the error code.
Another method to resolve Fatal Error c000021a code on your system is to repair the registry. The registry stores all the information and activities performed on the system.
If it is not cleaned frequently, it gets loaded with too many files unnecessary and obsolete files like the junk files, cookies, internet history and temporary files which corrupts and damages the registry thereby generating blue screen of death error codes like Fatal Error c000021a.
Though you can repair the registry manually it can be both time-consuming and slightly difficult especially if you are not a computer programmer. Therefore it is advisable to download a registry cleaner to fix it right away.
Whether the Fatal Error c000021a code occurs due to viral infection or registry issues, download Restoro. This is a next-generation, advanced, and multi-functional PC Fixer. This software is deployed with multiple utilities such as a powerful registry cleaner, an antivirus, a system optimizer, and more.
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The system optimizer feature ensures the speed and performance of your PC are not compromised during the repairing process. It ensures your PC works at its optimal speed.
Restoro is a one-stop solution for all your PC needs. It has a user-friendly interface making it easy for all levels of users to work around. It is compatible with all Windows versions
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net stop vss net start vssOnce the commands execute successfully, try the system image backup again. The operation should complete successfully. You need to also check if the Software Protection Service is disabled. If it is, then Start it and ensure that it is set to default which is Automatic (Delayed Started).
“We’re not sure what happened, but we’re unable to run this tool on your PC. If you continue experiencing problems, reference the error code when contacting customer support – Error code: 0x80072F76 – 0x20016.”This kind of error in the Media Creation tool could be due to an interrupted download or unstable internet connection, and many more. To fix it, you can run the Windows Update troubleshooter or try using another browser to download the tool to another location. You can also try changing the DNS or the ISP connection or use the Windows 10 Update Assistant as well as delete the $Windows.~BT & $Windows.~WS folders. Check out the given suggestions below to fix the Media Creation Tool Error code 0x80072F76 – 0x20016 in your Windows 10 computer.
One of the most common errors encountered by Microsoft users upgrading from Windows 7 or Windows 8/8.1 to Windows 10 is the Error Code 0xc1900106. Microsoft users experience a failure in the installation process. Either they will be notified that the installation process was ended but failed or that Windows is not able to install the update.
More and more Windows users are having trouble upgrading their operating system to Windows 10. There are a lot of errors being encountered by users and one of them is the Error Code 0xc1900106. This error is normally due to the misconfigured system files. If a Windows user encounters this error, most likely their device has some registry problems.
Fixing error code-related issues could be best resolved to do manual repair methods. Applying repair methods manually can help Windows users address the root causes of the errors they encounter, as well as apply definite solutions to rectify the issue.
Most Windows users can be able to implement manual repair methods themselves but there are some cases where help from a Windows professional is needed. If you’re not a very tech-savvy person and not confident performing the manual repair methods yourself, it would be advisable to seek help from a professional Windows technician who is knowledgeable enough to address the errors or problems you are encountering. However, if you don’t want to resort to seeking help from a professional, you can also consider using a powerful automated tool.
In trying to fix Error Code 0xc1900106, here are the following manual repair methods you can take:
net stop wuauserv net stop cryptSvc net stop bits net stop msiserver ren C:WindowsSoftwareDistribution SoftwareDistribution.old ren C:WindowsSystem32catroot2 catroot2.old net start wuauserv net start cryptSvc net start bits net start msiserver pause
AtoZManuals is a Browser Extension developed by MindSpark Inc. This extension offers users an easy way to search Customer Manuals for Products. This extension may seem handy at first, however, this extension hijacks your browser home page, and changes your default search engine to MyWay.
While browsing the internet with this extension you will see additional ads, sponsored links, and pop-up ads in your browser. Additionally, this extension monitors your browser activity, including search words, visited links, shopping information, and sometimes even personal information, which is later used to display better-targeted ads.
Multiple anti-virus scanners have marked this extension as a Browser Hijacker, and due to its rogue behavior, it is not recommended to keep it on your computer.
FullTab is a Browser Extension for Google Chrome, Firefox, and Internet Explorer. When installed this extension hijacks your home page, and changes your default search engine to http://search.fulltabsearch.com. This extension usually comes bundled with other freeware software, and while installed it monitors your internet browsing activity, visited links, clicked pages, and other private information that it later uses to distribute targeted unwanted ads in your search results.
While this extension is installed, you will see modified search results, injected ads, sponsored links, web page redirects, and sometimes even pop-up ads. Several anti-virus scanners have detected this extension as a Browser Hijacker, and due to the information it is gathering from your computer it is not recommended to keep.
mixGames is an Extension for Google Chrome that adds “Games:” functions to Google Chrome. In our testing, this function did not work and only redirects you back to the extension page. There are two variations of mixGames: mixGames Search, which changes the Chrome homepage to one managed by their own advertising-driven search; and mixGames Start, which changes the homepage in Chrome. These extensions utilize Searchalo to change search engine functions from the default or user-set preferences to Yahoo, injecting additional advertising. Due to the browser function modifications, mixGames is classified as potentially unwanted and is flagged for detection and optional removal by some Antivirus programs.