How to Fix Error 1321 on Your PC

What is Windows Update Error 0xC1900209? Before you can install any updates on your Windows 10 computer, there are a lot of conditions that have to be fulfilled and one of these conditions is software compatibility. It is one of the important factors in installing Windows Updates. So if one of the software in your computer is not compatible with the new Windows Update for your OS, then the Windows 10 setup will not proceed and will block the installation of the new update. This both applies to the cumulative updates and feature updates. In such cases, you will get the following error message when you run Windows Update:

“0xC1900209, Incompatible software is blocking the upgrade process. Uninstall the application and try the upgrade again.”

This error message comes under the umbrella of the Windows 10 pre-upgrade validation using Setup.exe. And for you to identify the incompatible app, you need to grab a Windows 10 install image using the Windows Media Creation tool to download the suitable Windows 10 version and mount it. After that, execute the setup.exe file that’s located in the root folder of the Windows 10 install image. Once you execute the setup file, the upgrade wizard will give you a list of incompatible apps. Once you have determined which software is not compatible with the Windows Update, there are two options you can try to resolve the Windows Update error 0xC1900209 – you can either try to update the conflicting software or uninstall it. For more details, follow the given options below.

Option 1 – Try to update the conflicting software

If you are using an older version of the software that’s in conflict with the Windows Update, you might want to update it to its latest version and then try to apply the updates again to your Windows 10 computer. You can update the concerned software by visiting the official website of the software or any of its distribution sources. On the other hand, you can also use the Check for updates feature of that particular software if it’s available.

Option 2 – Try to uninstall the conflicting software

If updating the problematic program didn’t work, the next option you can try is to uninstall it. All you have to do is follow these steps to uninstall it successfully:

• Tap the Win + R keys to open the Run dialog box.
• Then type “appwiz.cpl” in the field and tap Enter to open the Programs and Features in Control Panel.
• Next, arrange the list of installed programs in the order of the installation date.
• After that, look for the problematic program and right-click on it, and then select Uninstall.
• Once the uninstallation process is done, restart your computer and see if the Windows Update error 0xC1900209 is fixed or not.

Many Minecraft players are experiencing Realms internal server error 500, luckily for all of that players, we are offering you solutions.

Preliminary Fixes

Before heading towards the fixes here it is suggested to try some quick tweaks that might work in your case to fix Minecraft Internal Server Error 500. Restart your PC – Very first it is suggested to shut down your computer and after that restart the system. This worked for many players to get rid of the server outages issue. Update your Windows version – Check if you are running an outdated Windows version then make sure to install the latest Windows update and then run the game. Update Your Game Version – Also make sure you are running an updated version of Minecraft Realms. Installing the latest updates not only makes the game more stable but also helps you to solve common glitches and issues with the game. So, check if any recent updates are available to make sure to download and install them Modify the Game Settings – Check if you have tweaked some of the game settings then this might be the reason for the problem. So try to reconfigure the settings to default. This may work for you. Now after following the preliminary solutions check if the Minecraft Realms Internal Server Error 500 is resolved or else head to the next solution.

Check your Internet Connection

As said above if the internet connection is not working properly or it is preventing you from accessing the servers, then this can also cause the Internal Server Error 500 in the Minecraft server. So, very first make sure your internet connection is stable and working properly. Also if you are using Wi-Fi then use a wired connection to get a stable network. Moreover, if your internet connection is working fine then there is a possibility that your internet connection is causing interruption and preventing you from accessing the Minecraft Realms server. So, if this is the case then here it is suggested to use a VPN connection to get exceptionally fast & reliable speeds without getting detected.

Check for the Minecraft Server Outage

Well, there is a possibility the Minecraft servers are down and if this is the case then you don’t have any other option than just waiting for the servers to get restarted and the service becomes available again. Also, the service outages can affect the ability of the game and as a result, you are unable to play the game. Additionally, you can also inquire about Minecraft’s server status by visiting the Downdetector website. But if you find the services are running fine then the issue is from your side.

Disable Background Applications

If you are still getting the Minecraft Realms Internal Server Error 500, then there are chances that other applications running in the background are causing a limit to your internet bandwidth. It is suggested to disable the internet-connected apps and after that try connecting to Microsoft Realms again.

• Hit CTRL + SHIFT + ESC keys > to open the Task Manager.
• Then under the Process tab,> right-click on unwanted background process, > click on the End Task 

After disabling the applications running in the background, relaunch Minecraft and check if the internal server error 500 still appears or not.

Delete UUID Files in Minecraft

If you are still getting the Minecraft Realms Internal Server Error 500 then here it is suggested to delete the UUID files in Minecraft.

• First, visit the website by clicking the https://mcuuid.net/ and enter all the credentials to get the player’s UUID
• Then login to the server > proceed to server files > head to the world
• Here locate the PlayerData folder > click to open it.
• And from here choose the file containing the same name like the player’s Username or UUID > after that hit the Delete
• Lastly, restart your server to save the changes

Remove Resource Packs & Mods

If you are getting the Minecraft realms internal server error 500 after the installation of a particular mod or the resource pack then this is what causing the issue while playing the realm. So, here it is suggested to delete it immediately, also uninstall the mod as well as the resource pack you installed recently. It is estimated this works for you but if you have a doubt related to any specific mod or the resource pack causing an error you should uninstall then also and check if the Minecraft internal error 500 is fixed.

Disable the Plugins

If you are still encountering the error then check for the plugins installed on your PC. Many times the installed plugin starts causing issues with the game as they are not compatible with the game version. So here it is recommended to try disabling the plugins on the PC and check if this works for you.

• On your system > open the plugin window > rename the plugins files from “[plugin name].jar to [plugin name].jar.disabled”.
• Next restart the server and check if the Minecraft Realms Internal Server Error 500 problem is resolved or not.

Uninstall & Reinstall Minecraft

If none of the above-given solutions works for you then here it is suggested to uninstall and reinstall Minecraft. Well, it is suggested to uninstall the game using the third-party uninstaller. Manually uninstalling the program won’t remove it completely, some of its registry entries, junk files are left behind and causes interruption when the next time you install it. If you are looking to uninstall it manually then follow the steps given:

• Hit Window + R key > to open the Run box
• And in the run box type appwiz.cpl command > hit Enter
• Now the application manager window pops up on your screen > locate the Minecraft application > right-click to Uninstall

And as the uninstalling process is completed > head to the Minecraft official website and tries downloading and installing the game. Check if the Minecraft Realms Internal Server Error 500 is resolved or not.

Contact Support Center

If after trying all the solutions given you are still unable to fix the error then the only option left is to contact the Customer Support Center and fill the form in the link and describe the problem in a detailed way. And within few days you will get feedback from them to fix Minecraft Realms internal error 500.

One of the most useful utilities on a Windows 10 computer is the Windows File Explorer. It is undeniably one of the File Managers out there full of features on all the platforms. However, it is not without its issues and one of the most common ones most users encounter is when you are trying to open a folder or a location on File Explorer and it displays a message saying, “Working on it…” as it tries to load the content of that location or folder. This kind of issue mainly occurs to computers that run on an HDD although that doesn’t mean that it can’t happen to other computers that run an SDD. And so if the File Explorer on your Windows 10 computer keeps getting stuck on the “Working on it…” message along with a green animation bar moving very slowly while loading the contents of the folder, then it’s best if you follow the options given below to resolve this problem.

Option 1 – Try deleting the contents of the Automatic Destinations folder

• Tap the Win + R keys on your keyboard to open the Run utility.
• And then type “%AppData%MicrosoftWindowsRecentAutomaticDestinations” and hit Enter to open this location.
• From there, select all the files and tap the Shift + Delete key combination.
• After that, you will get a prompt that will ask you if you want to delete all the files permanently, just click on Yes. This will delete all the Quick Access cache.
• Now check if you can now open a folder or a location without the “Working on it…” message.

Option 2 – Try to rebuild the Search Index

• First, open the Indexing Options using the Search bar.
• Next, click on the appropriate listing, e.g. Users folder.
• After that, click on the Advanced button. This will open a mini-sized window and from there, go to the Index Settings tab.
• Then click on the “Rebuild” option under the Troubleshooting section.
• Now click on OK after the rebuilding is completed. This should rebuild the search index for all the files and thus, fix the File Explorer stuck on the “Working on it…” message.

Option 3 – Try to optimize the folder for General Items

You might also want to try optimizing the folder for General Items as it can help the File Explorer to load the contents faster.

• Just right click on the folder that takes time to load the contents in it and is showing the “Working on it…” message.
• After that, click on Properties to open the Properties mini window.
• From there, go to the Customize tab and click on the drop-down menu to “Optimize this folder for” under the “What kind of folder do you want?” section and then select General Items.
• Then check the checkbox with a label that says, “Also apply this template to all subfolders” and click on the OK button to save the changes.
• Restart File Explorer and check if the problem is now fixed or not.

Option 4 – Try performing a System Restore

Running System Restore can also help you resolve whatever issue that’s causing the “Working on it…” message. You can do this option either by booting into Safe Mode or in System Restore. If you are already in the Advanced Startup Options, just directly select System Restore and proceed with the next steps. And if you have just booted your PC into Safe Mode, refer to the steps below.

• Tap the Win + R keys to open the Run dialog box.
• After that, type in “sysdm.cpl” in the field and tap Enter.
• Next, go to the System Protection tab then click the System Restore button. This will open a new window where you have to select your preferred System Restore point.
• After that, follow the on-screen instructions to finish the process and then restart your computer and check if the problem is fixed or not.

As you know, the Mobile Hotspot feature is used to share the internet connection with other devices using Wi-Fi signals. These Wi-Fi signals are later caught by other devices using their Wi-Fi and then the internet connection is shared once they are connected. However, recently, some users reported that their devices weren’t able to see the Wi-Fi network even if their Wi-Fi is on. This kind of problem could be caused by several factors but one of the main ones include the frequency at which the Wi-Fi network is being broadcasted. If you are one of the users who are currently facing this problem, read on as this post will guide you on what you can do if the Mobile Hotspot or Wi-Fi connection does not show up or is not detected on your Windows 10 device. In most cases, there are only two frequencies at which a Wi-Fi network is broadcasted. They are broadcasted either at 2.4 GHz and 5 GHz. The ones that are broadcasted at 5 GHz need specific hardware since it is a newer technology compared to the ones at 2.4 GHz. There are several other pieces of equipment as well as electrical appliances that operate at 2.4 GHz that includes microwaves as well which causes disruption in the signal strength of the Wi-Fi network. Moreover, aside from signal interruption, this issue with the mobile hotspot might also have something to do with the network-related drivers in your computer. Thus, to fix the problem, here are some suggestions you should follow.

Option 1 – Try toggling the Network band or the frequency at which the Wi-Fi network is broadcasted

• First, open the Windows 10 Settings app and then navigate to Network & Internet > Mobile hotspot.
• From there, click on the Edit button located under the Network name, Network password, and Network band.
• After that, set the Network band to be at 2.4 GHz and then click on the Save button.
• Once done, restart the Mobile hotspot in your Windows 10 device as well as the Wi-Fi connection of the device that’s trying to connect to the hotspot.

Option 2 – Try running the Network Adapter Troubleshooter

If the first option didn’t work, you might also want to run the Network Adapter Troubleshooter. You can use it to troubleshoot the problem with the Mobile hotspot, to run it, follow these steps:

• Open the Search bar on your computer and type in “troubleshoot” to open the Troubleshoot settings.
• Next, scroll down and select the “Network Adapter” option from the right pane.
• Then click on the Run Troubleshooter” button.
• After that, your computer will check for any possible errors and will pinpoint the root cause of the problem if possible.

Option 3 – Try updating the Network adapter driver

As mentioned, the problem could also be due to the network-related drivers. So it probably might be the reason why you’re mobile hotspot did not appear or was not detected. That’s why it is recommended that you update the Network adapter driver and to do it, refer to these instructions: Follow the steps below to update your Network Adapter Driver:

• Tap the Win + R keys to launch the Run window and then type in the “MSC” command and hit Enter to open the Device Manager window.
• From there, expand the list of all the network drives and update each one of them.
• Restart your PC and see if it helped in fixing the issue with the mobile hotspot.

Note: If updating the network drivers didn’t help in fixing the problem, you can also try to uninstall the very same drivers and restart your Windows 10 PC. After that, the system itself will reinstall the drivers you just uninstalled. Alternatively, you can also download and install the drivers from the manufacturer’s website directly.

What is Runtime Error 339?

Runtime Error 339 is a common error code format that appears when a computer overloads with too much data. However, in some cases, it may occur due to the missing registry keys, DLL files, or during installation. It may lead some programs to shut down all of a sudden and may also corrupt files on the system.

Solution

Download Available to Completely Repair Runtime Error 339

Error Causes

This error code is alarming as it is a critical sign of an unstable system followed by improper maintenance of the computer. The potential risks associated with the Runtime Error 339 include:

• System startup issues
• Slow PC performance
• System crash and failure
• System file corruption

Therefore, to avoid these risks and system failure, it is advisable to fix the runtime error 339 immediately.

Further Information and Manual Repair

If you have a Runtime Error 339 issue on your computer, here is a great way how you can fix it right away:

Scan For Viruses

Improper maintenance of the computer indicates that your system might be exposed to viruses and malware. Viruses can modify the Windows registry and lead to Runtime Error 339. Therefore, first, it is important to scan for viruses on your PC.

Identify Software that Causes Errors

Scanning will help you identify software that produces this error on your PC. Once you identify them, either uninstall them or update the program. To uninstall the program, go to the Control Panel and then click on the Add/Remove program if you have Windows XP, if not then click on the Programs and Features item. Now delete the program from your system.

Obtain the Latest Version of the Installer and Re-install the Deleted Program

Once you get your hands on the latest version of the installer, run it on your system by following the on-screen instructions. Install the program. There is also another way to fix Runtime Error 339 and that is by downloading the Runtime Error tool.

Use a Professional Runtime Error Fixer Tool

To fix the error you can also use a professional Runtime Error fixer tool to scan for viruses on your PC. It is available for free download here. Download the tool and install it on your computer. Simply scan your PC after installation. Click the repair button once the scan is complete. This tool fixes problems in just a few minutes.

rtf64x64.sys Blue Screen error happens in random intervals but it is a regular occurrence, it can happen when playing games, when watching movies, or even when the computer is idle. in this article we will guide you on how to resolve this error from the most simple steps you could take and do not worry, altho the error seems dreadfully and scary, it is nothing to worry about. If you can boot Windows normally after error great, proceed with instructions, else reboot into safe mode or use installation media to boot.

1. Use official Microsoft online troubleshooter Microsoft has an online blue screen troubleshooter that was made specifically for this kind of situation. Go to Troubleshoot screen error and answer questions needed. Most of the time this will be enough to solve any blue screen issue.
2. Update network and sound drivers How is this error traced back to Realtek devices, go to the Realtek website and download drivers. Install them and reboot the system.
3. Use a dedicated software solution DRIVERFIX is an application made for these and other kinds of driver issues and problems, it is one click automated solution for driver fixing. Visit the Driverfix site and download the application
4. Perform system Restore If you have not managed to fix the issue with previous steps roll back to a previous restore point when everything was working.
5. Replace network or sound card If everything failed including system restore then it is likely that it is a hardware malfunction. Replace faulty components and you should not receive errors anymore.

Error Code 40 – What is it?

Error Code 40 is a device driver error that users encounter on any Windows 2000 and later operating systems. It occurs when the peripheral device that you connect to your PC cannot be accessed due to a change in the system registry.

This is due to the presence of invalid sub-keys of the device driver in the system registry. It is a common error that users come across and appears on your PC with either of the following messages:

“Information in the registry entry for this driver is invalid”

OR

"Windows cannot access this hardware because its service key information in the registry is missing or recorded incorrectly. (Code 40)"

Solution

Error Causes

As mentioned above, the error code is triggered when the device driver’s invalid sub-keys appear in the registry, effectively changing it. This happens when the windows system files get damaged due to the following factors:

• An incomplete program uninstallation
• An incomplete program installation
• Hardware is not removed properly
• System recovery from viruses
• An improper system shut down

Factors such as incomplete installations or uninstallations or an improper system shut down can cause files to become damaged that threaten the health of your computer.

Removing viruses from the computer is also another factor as it removes the entries in the Windows system files which contain the viruses including spyware or malware

Further Information and Manual Repair

Fixing Error Code 40 is similar to fixing other device manager error codes. Here are a few methods you can try.

Method 1 – Use System Restore

You can use system restore to eliminate the problem. Here is how you can use it:

• Log in using an Administrator account
• Click ‘Start’ button and select All Programs > Accessories > System Tools > System Restore
• Click ‘Restore my computer to an earlier time’ and click ‘Next’
• Select the last Windows restore point from the ‘On this list, click a restore point’ list, and click ‘Next’
• Click ‘Next’ on the confirmation window to proceed
• Restart your PC after restoration is complete

By restoring the system via a last saved system checkpoint, you can obtain undamaged Windows system registry files that can help avert the error code.

Method 2 – Manually uninstall then reinstall the device driver

If using system restore also does not work in removing the error code, you may have to resort to manually uninstalling and then reinstalling the device driver causing the problem.

This would be necessary since the remaining incomplete files due to a partial removal or installation of programs is what contributes to the error code. By uninstall and reinstalling the device driver program, it would lead to the completion of the files.

You can do this by firstly logging in as Administrator and open Device Manager. Select the device that is causing the problem and double click it and make sure that the peripheral is connected properly to the PC. Upon opening, click on the ‘Driver’ tab and then select ‘Update Driver’.

Make sure to refer to the system documentation that you received with your PC or computer to check for the motherboard details and driver specifics.

Method 3 – Use software to automatically download the driver

Manually uninstalling and reinstalling the driver will do the trick, however, it may be time-consuming especially when you would have to resort to your hardware user manual.

Therefore, using a program such as DriverFIX can save you a lot of time and frustration in having your device work properly on your computer.

DriverFIX, with its user-friendly approach to help you fix your PC issues, comes with an integrated database that detects which drivers you need to reconfigure within just a few seconds and downloads it automatically.

It further ensures that your drivers are installed in their entirety leaving no room for any incomplete files to remain that create Error Code 40.

It also has the added advantage of being able to backup and restores your files should there be the slightest possibility of system file damage.

Thus, registry damage can be averted by letting the software roll back the system files to an earlier healthy checkpoint. Driver Assist is the answer to fixing your PC error codes accurately and quickly.

Click here to download DriverFIX to fix Error Code 40 quickly and effectively!

TPM 2.0 requirement for Windows 11 has produced a lot of discussions since it was announced. A lot of somewhat older hardware seems to be left behind with this decision from Microsoft. So naturally, when something like this is announced, especially when it is stated it is the must-have thing, people find a way to break it and to prove it is not the case. In that spirit, I am proud to present you with not one but three-way you can install Windows 11 on hardware that does not has TPM 2.0. Please note that by bypassing this you will not be able to use some Windows 11 features tied to modules like Device encryption, vTPM in Hyper-V, and all TPM-related services. I will cover methods from the most simple and straightforward ones to the more complicated using registry editor.

Bypass TPM with changing installation media

For this method to work you will need both Windows 10 ISO and Windows 11 ISO since it will require some file copying between them. You will also need Rufus or another tool to make a new installation media once files are copied All you have to do in this method is to go into your Windows 10 ISO and delete the install.esd, then just copy install.wim from Windows 11 installation media into the same place, and you are done. Make install ISO with Rufus and install Windows 11.

Change DLL on installation media method

For this method, you will need everything like in the previous one and the process is almost the same, but this time instead of migrating the whole installation file, we will just replace the appraiserres.dll file. Copy appraiserres.dll file from your Windows 10 installation media over the same file on Windows 11 installation and you are good to go.

Bypassing TPM via registry editor

If for some reason previous easy solutions have not worked for you do not lose hope just yet, there is one more way you can bypass TPM. In this given method you will not need Windows 10 installation media but the process is a little more complicated than previous ones.

1. Create Windows 11 media installation
2. Start the installation process
3. Click the Next button.
4. Select region, language, and time when asked. You can change these settings later.
5. Click the Install now button.
6. If your device was already activated, click the I don’t have a product key option to continue.
7. Click the Next button. Select the edition of Windows. When you’re installing the OS on an existing device, Windows won’t activate if you select the incorrect edition.
8. Click the Next button.
9. Select the I accept the license terms option and click next.
10. Select Custom: Install Windows only (Advanced)
11. During the Windows installation screen, now you will see a message stating that the PC can’t run Windows 11 if you do not have TPM 2.0
12. On this screen, press SHIFT + F10 to open Command Prompt window.
13. Launch the registry editor, type regedit.exe in Command Prompt, and press ENTER
14. Create a new key “LabConfig” by right-clicking on the Setup key and select New > Key under HKEY_LOCAL_MACHINE\SYSTEM\Setup.
15. Type LabConfig and press ENTER.
16. Right-click on the LabConfig key.
17. Select New > DWORD (32-bit) value.
18. Create two values: BypassTPMCheck and BypassSecureBootCheck.
19. Set their DWORD32 value to 1.
20. Press ENTER.
21. Close the Registry Editor.
22. Type exit in the Command Prompt and press ENTER or close its window.
23. Press the back button in the Windows installation setup if it still says “This PC can’t run Windows 11”.
24. Accept the terms & conditions.
25. Select Custom: Install Windows only (Advanced) option and configure the partition with the current installation.
26. Click the Next button.
27. Finish Windows 11 installation

if you were following our articles you are aware that Windows 10 has a build-in-game mode that you can summon by pressing ⊞ WINDOWS + G. But did you know that you can use this to capture and record your screen? Hello and welcome to another great tutorial about how to get the maximum out of your Windows 10, today our topic will be recording your screen using Windows 10 game mode.

• In order to start recording first, we need to bring game mode by pressing ⊞ WINDOWS + G
• In the Game Bar overlay screen, look for the “Capture” window.
• If you don’t see it, click the Widget menu icon on the left. It looks like several lines with bullet points to their left.
• A drop-down list will appear; click “Capture.” The “Capture” shortcut may also be in the Game Bar toolbar.
• Look for the “Capture” widget window in the overlay. There are four buttons on the Capture widget (from left to right):
  • Screenshot: Takes a screenshot of the active window.
  • Record last 30 seconds: Creates a recording of the previous 30 seconds.
  • Start recording: Starts recording your active window.
  • Turn on the mic while recording: If this option is enabled, Windows 10 will capture audio from your computer’s microphone and include it in the recording.
• You’ll notice text underneath the buttons. This is how you’ll know what the active window is, aka what will be recorded. For example, if you’re browsing the web, it will show the title of the open tab.
• To start recording your screen, you must first decide whether you want to use your mic, which is useful if you’re trying to explain something on the screen.
• Next, simply click the Start Recording button.
• The screen recording will begin, and you’ll see a little toolbar appear in the corner of the screen. It will show the running time of the recording, and it also has buttons to stop recording and toggle the microphone.
• When you’re finished, click the Stop icon to end the recording.
• From the Capture widget, click “Show All Captures” to see your recording.
• Your recording will be at the top of the list. Click the folder icon to see all recordings and screenshots in File Explorer.
• These recordings are stored under your Windows user folder at C:\Users\NAME\Videos\Captures by default.

Fatal Error c000021a - What is it?

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)

Solution

Error Causes

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:

• Missing or corrupt hardware drivers
• Faulty hardware
• Windows System Restore failed during the rollback process
• Malware or viral infection
• Registry issues

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.

Further Information and Manual Repair

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:

Method 1: Update Your PC Drivers

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.

Method 2: Perform a Windows System Restore

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.

Method 3: Scan for Viruses

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.

Method 4: Repair the Registry

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.

Automatic Repair with Restoro.

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. The registry cleaner scans the entire PC and detects all types of registry issues at once. It cleans the registry, wipes out all the unnecessary files, and restores the registry back to normal. Simultaneously, the antivirus embedded in this software detects all types of viruses including malware, adware, spyware and Trojans and removes them in seconds. 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 Click here to download Restoro and resolve the Fatal Error c000021a code on your PC today!