How to Fix Sndvol32.exe Error

Recently, a number of users reported an error when they tried to open graphic-intensive apps like video games. According to users, when they tried to open an app, they get the “Display driver failed to start” error instead. Thus, if you encounter the same error, then you’ve come to the right place as this post will guide you on how exactly you can fix it. Here’s the full content of the error message:

“Display driver failed to start; using Microsoft Basic Display Driver instead. Check Windows Update for a newer display driver.”

This kind of error could be due to several factors. It is possible that it could be a result of a corrupted or outdated graphics driver. Aside from that, it could also be due to some issues with the system settings. Worry not though for there are potential fixes that can help you fix the problem. But before you troubleshoot the problem, you need to update your Windows 10 computer first and if it didn’t help fix the problem, then here are the potential fixes that should help resolve the “Display driver failed to start” error.

Option 1 – Try to restart the Graphics driver

Although Windows 10 can recover the graphics driver on its own when it crashes, there are times when it fails to do its job. To restart the graphics driver in your computer, simply tap the Win + Ctrl + Shift + B key combination. After that, the graphics driver will be back in less than a second.

Option 2 – Try running the Hardware and Devices troubleshooter

Running the built-in hardware and devices troubleshooter can also help you in fixing the “Display driver failed to start” error.

• The first thing you need to do is click on Start and then on the gear-like icon to pull up the window for Settings.
• After opening Settings, look for the Update and Security option and select it.
• From there, go to the Troubleshoot option located on the left-hand side of the list.
• Next, select Keyboard from the list and open the Troubleshooter and run it. Once it is doing its job, wait for it to complete the process and then restart the system.
• After the system restarts, check if the problem’s now fixed. If not, refer to the next option given below.

Option 3 – Try to update or rollback the Graphics driver

You can try to update your Graphics card driver using the Device Manager in your computer to resolve the “Display driver failed to start” error or you can also go directly to the website of your graphics card manufacturers like NVIDIA, Intel, or AMD and go to the section called Drivers then check if there’s a new available update – if there is, download and install it. To update your Graphics driver via Device Manager, refer to these steps:

• First, boot your computer into Safe Mode.
• After that, tap the Win + R keys to launch Run.
• Type in devmgmt.msc into the box and tap Enter or click OK to open the Device Manager.
• After that, a list of device drivers will be displayed. From there, look for the Display Adapters and click on them.
• After that, right-click on each entry under the Display Adapters and select the “Uninstall Device” option from the menu.
• Now restart your computer.
• After restarting your computer, go to the Settings app and Check for Updates in the Windows Update section.

Option 4 – Try setting your system for maximum performance

If the first three options didn’t fix the error, you can try setting your computer for maximum performance since Windows 10 allows you to choose the effects you want to activate your system and you can do this by adjusting the performance ratio. Adjusting the performance ratio can be done via a certain setting in your computer – and this setting should be set to “Maximum Performance” to resolve the error.

• In the Windows Search bar, type in “performance” and from the search results that appear, select the “Adjust the appearance and performance of Windows” option.
• Next, a mini window will appear and from there, click on the radio button that says, “Adjust for best performance”.
• Once done, click on the Apply and OK buttons to save the changes made. This should resolve the problem.

What is 0x80040154 Error Code?

0x80040154 is a typical ‘class not registered’ error message. It occurs when PC users try to register and Run a 32-bit DLL (dynamic link library) Windows programs on a 64-bit version of Windows.

Solution

Error Causes

• The 0x80040154 error causes include:
• Incompatible software
• Invalid entry command path
• Damaged and corrupt DLL files
• COM components not properly registered
• Active X control and class issues

To avoid the inconvenience of running programs on your Windows PC, it is advisable to resolve the 0x80040154 error.

Further Information and Manual Repair

Here are some of the best methods that you can try to resolve the 0x80040154 error code on your PC:

# 1. Use Regsvr32.exe to Re-register the Failing COM Component

This is one way to resolve the 0x80040154 error code. Regsvr32.exe is a program that you can use to register DLLs (Dynamic Link Libraries) and ActiveX controls in the registry. To use this file to re-register the failing COM components, simply open an elevated command prompt. If the 32-bit DLL is in the %systemroot%System32 folder, then move it to the %systemroot%SysWoW64 folder. After that run the following command: %systemroot%SysWoW64regsvr32 <full path of the DLL>. This will help resolve the issue.

# 2. Install and Run Restoro PC Fixer.

Another alternative is to download Restoro. This is a new, advanced, and innovative PC repair tool deployed with multiple utilities like Active X control and class fixer, system optimizer, an antivirus, and a registry cleaner. It has a user-friendly interface with simple navigation. This makes it quite easy to use for all levels of users. It is safe, fast, and compatible on all Windows versions. The Active X control and class utility scans your entire PC, detects and resolves all errors like 0x80040154 triggering ActiveX and class ID issues in seconds. Besides this, Restoro also offers other benefits. By running this software on your system you can also ensure good PC health and performance as it also removes anti-viruses, repairs registry issues, fixes damaged DLL files, and also boosts the speed of your PC. DLL files often can get damaged and corrupt due to data overload. This is associated with the registry. If you don’t clean the registry frequently, it overloads with data and damages the DLL files. However, with the help of the registry cleaner utility embedded inside this software, you can repair these files easily. The registry cleaner wipes out all the unnecessary files from your system occupying your disk space and simultaneously fixes the damaged DLL files and restores the registry. However, if the DLL files are damaged due to a malware attack, the antivirus module takes care of them. It removes all the malicious software like adware, spyware, viruses, and Trojans and restores your files. Click here to download Restoro on your PC and resolve the error 0x80040154 on your PC now!

When you get the error information, "The Software Can Not Begin Because MSVCR100.Dll Is Missing", what this implies is that the Computer will be lacking the  MS Visual C++ 2010 libraries. The malfunction is rather frequent throughout installations. It doesn't matter the number of times you try to reinstall the program. The malfunction can happen whether you've been utilizing your pc for many years, or it's really a recent one.

Solution

Error Causes

a) Missing MSVCR100.DLL: As the problem message indicates, you get this information mainly because MSVCR100.DLL is completely missing. b) Broken MSVCR100.DLL: When the msvcr100.dll is broken, you will also get the same error, suggesting the software won't start. The thing you need to understand is the fact that MSVCR100.DLL is playing an important role in the application referred to as MS Visual C++ 2010 Redistributable Package. Without the MS Visual C++ 2010 Redistributable Package, any software that you simply make an effort to install won't start. You could possibly complete installing it by pursuing proper installation procedures, and then end up getting the "The Software Can Not Begin Because MSVCR100.Dll Is Missing" error.

Further Information and Manual Repair

If you get the "The Software Can Not Begin Because MSVCR100.Dll Is Missing" error information on an effective setup of any software, you shouldn't worry. You can really repair the issue and commence your recently installed software without any more hassle. Start by checking whether you presently use 64-bit or 32-bit Windows. Visit the start button, in case you use Winxp. Type winver. On the window that appears, click Run, subsequently push enter. Head to Start, in case you use both Win7 or Vista. Subsequently, click on the search box and type “Computer”. Right-click windows and subsequently click on Properties. Under Windows Edition, you'll find whether your Windows is 64-bit or 32-bit. Search for the correct variation of MS Visual C++ 2010 Redistributable Package, as soon as you discover whether your Windows is 64-bit or 32-bit. Down load the x86 variant of MS Visual C++ Redistributable Package if your version is 32-bit and you must obtain the x64 variant of MS Visual C++, for those who own a-64-bit version of Windows Operating System. You must never obtain MS Visual C++ 2010 Redistributable Package from third-party websites. This is because Microsoft doesn't charge a cent for the files. The files are openly and easily available on Microsoft. These files come in many different variants. Consequently, select what's suitable for your own Computer with regards to the version of Windows which you operate.

• Never pick the edition of MS Visual C++ 2010 Redistributable Package that's not compatible or appropriate to your Windows Operating System.

Make use of the release date, when installing MS Visual C++ 2010 Redistributable Package. You might also look out for Service Pack 1 and obtain it for your Windows. Service Pack 1 only ensures that you simply obtain the latest edition. As soon as you end installing the most up-to-date version of MS Visual C++ 2010 Redistributable Package as demonstrated above, reboot your computer and you'll not have to worry about getting the annoying"The Software Can Not Begin Because MSVCR100.Dll Is Missing" error message anymore.

If you receive an error message saying, “Windows Update cannot currently check for updates because updates on this computer are controlled”, while trying to change the Windows Update preferences or manually update, then read on as this post will guide you in fixing it. You can mostly encounter this error in managed systems where an Administrator controls the permission on the operating system. The reason why you are not able to modify the Windows Update preferences or manually update your system is that a group policy prevents you from doing so and that the only user who can do these things is none other than the administrator of the system. Troubleshooting this kind of problem is the same as when you troubleshoot an error message that says, “Some settings are managed by your organization”. In such cases, you need to check both the Windows Update Group Policy and Registry settings. If you’re just a standard user, you have to contact your system administrator regarding this issue and if you are the administrator, you can make adjustments to the system settings via the Registry Editor and the Group Policy Editor. Refer to the instructions given below for detailed instructions.

Option 1 – via the Registry Editor

If you are using the Home edition of Windows 10 and you want to change the policy for non-admin users on your local computer, then you can use the Registry Editor for that. Here’s how you can do it:

• Tap the Win + R keys to open the Run dialog box.
• Then type “Regedit” in the field and hit Enter to open the Registry Editor.
• After that, navigate to the following registry key:

HKEY_LOCAL_MACHINESOFTWAREPoliciesMicrosoftWindows

• From there, look for the key named “WindowsUpdate” in the Windows folder and if it does not exist, you can just right-click on the Windows folder and select New > Key.
• Now name the new key “WindowsUpdate” and create a new sub-key under the newly created key and input “AU” as its name.
• Keep AU selected and then right-click anywhere in the right pane and select New > DWORD (32-bit) Value.
• Then name the Value as “AUOptions” and right-click on AUOptions and select Modify.
• Next, change the value of the Value data to “5” and click OK to save the changes made to the settings. Note that the Value Data of 5 refers to the policy to allow the local admin to choose the setting.
• Now restart your computer once you’re done and check if non-admin users can now modify the Windows Update settings or update Windows.

Option 2 – via Group Policy Editor

• Tap the Win + R keys to open the Run dialog box and then type “gpedit.msc” and hit Enter to open the Group Policy Editor.
• Next, navigate to this folder: Computer Configuration > Administrative Templates > Windows Components > Windows Update.
• Now look for the “Configure Automatic Updates” policy on the right pane and double click on it to open its Properties.
• After that, shift the Radio button to “Enabled” and from the drop-down menu for Configure automatic updating, select option 5: Allow local admin to choose the setting.
• Then click on Apply and OK to save the changes made to the settings.
• Restart your computer and check if the problem’s fixed or not.

As you know, the NVIDIA Control Panel is the central control panel for all devices that run the graphics drivers manufactured by NVIDIA. This control panel comes bundled with the drive package itself which is why there is no need for users to download it or update it separately. However, recently, some users reported that when they tried to make changes to the configuration in the NVIDIA Control Panel, they were unable to do so and encountered an error message instead saying, “Access denied. Failed to apply selected settings to your system”. If you also got the same error message, then you’ve come to the right place as this post will walk you through fixing this error in the NVIDIA Control Panel. There are several suggestions given in this article to fix the error. You can try to run the file named “nvcplui.exe” as an administrator or restore the most recent version of the folder where the aforementioned file is located. You could also try to restart NVIDIA’s process or restart the NVIDIA Display driver service or update the NVIDIA drivers in your computer. For more details, refer to each one of the options given below.

Option 1 – Try running the nvcplui.exe file as an administrator

• Tap the Win + E keys to open File Explorer and navigate to this path: C:/Program Files/NVIDIA Corporation/Control Panel/Client
• After that, look for the exe file and right-click on it, and then select the Run as administrator option.
• Next, select Yes if a User Account Control or UAC prompt appears.

Option 2 – Try to restore the most recent version of the folder

The next thing you can do to fix the error is to restore the most recent version of the folder where the nvcplui.exe file is located. Keep in mind that this option is tricky so you have to be careful.

• Tap the Win + E keys to open File Explorer.
• Next, navigate to this path: C:/ProgramData/NVIDIA DRS
• From there, right-click on the DRS folder and select Properties.
• After that, go to the Previous Versions, System Protection, or System Restore tab in the Properties window.
• Now restore the most recent version of the contents inside that folder. This will revert the old working configuration of DRS.

Option 3: Restart the process of the NVIDIA Control Panel

• Tap the Ctrl + Shift + Esc keys to open the Task Manager.
• After opening the Task Manager, look for the process named NVIDIA Control Panel Application.
• Once you found it, expand it and right-click on the NVIDIA Control Panel sub-process, and click on End Task.
• Now try opening the NVIDIA Control Panel from the Start Menu and see if it now works fine or not.

Option 4: Restart the NVIDIA Display Driver Service

• Tap the Win + R keys to open the Run dialog box.
• Then type “services.msc” in the field and hit Enter to open the Windows Services Manager.
• After opening the Services window, you will see a list of services. From there, look for services named “NVIDIA Display Container LS” and double click on it to open its Properties.
• Now make sure that the service is Started. If it isn’t, you need to start it, otherwise, you need to Stop it and Start It again. You also have to make sure that the Startup Type is set to Automatic.
• Do the same for the NVIDIA LocalSystem Container service.
• Restart your computer and check if the problem’s fixed.

Option 5– Try updating the drivers from the official site of NVIDIA

If both the first and second given options didn’t work, you can also try updating the drivers from the official NVIDIA website. And in case you don’t know the type of Nvidia graphics card that your computer is on, follow the steps below:

• Tap the Win + R keys to open the Run dialog box.
• Next type in “dxdiag” in the field and click OK or hit Enter to open the DirectX Diagnostic Tool.
• From there, you can see what type of Nvidia graphics card that your system is on.
• Take note of your graphics card information and then look for the best drivers for your operating system. Once you’ve downloaded and installed the file, restart your PC.

Nvidia announced the third generation of GeForce RTX GPUs called Ada Lovelace. New technology is bringing 76 billion transistors with 18,000 CUDA cores along with new gen ray tracing cores and improved Tensor cores as well. The new lineup also comes with DLSS 3 which is vastly improved from its previous version pushing a 4 times increase in frame rates over native rendering.

RTX 4090, a better model of GPU will come with 16,384 CUDA cores and a boost clock speed of 2.52 GHz. Also, it is packed with stunning 24 GB of GDDR6V VRAM. In Nvidia's words, its performance is twice faster than the 3090 Ti in games like Flight simulator, three times faster on Portal RTX, and four times faster on RacerX.

RTX 4080 comes in two modes, one with 12GB VRAM and a stronger one with 16GB VRAM but differences do not end here. The lower model is packing 7,680 CUDA cores while the stronger one is going to 9,728 CUDA cores. We will wait to see how will these cores count impact real-world performance in games.

As for prices, the flagship model RTX 4090 will be $1,600 USD and it will hit the market on October 12th. RTX 4080 12GB model will be $900 USD and the model with 16GB VRAM will go up to $1,200 USD. This, of course, is the price for Founders Edition cards, OEM cards from third parties like ASUS, MSI, Gigatech, etc will cost more.

It seems that last few days we were riding some Razer bandwagon but rest assured that we are not sponsored by them in any way, truth is that simply they come up with some interesting accessories which I believe are worth covering. Gaming Chair itself comes in two colors, fully black and green black combination and it is not really an entry-level chair if we are talking about price. The chair itself is around 600USD depending on the distributor and considering that price range it is placed in more top cream of gaming chairs but it is worth every dime.

Iskur Specifications

Iskur is made of a steel frame with a reinforced plywood lumbar support frame for added weight tolerance. Frame and lumbar support are surrounded with memory foam and all of that is wrapped in cotton and polyester layer which is again wrapped in multi-layer synthetic leather making the chair very durable for long hours of daily use. The chair also comes with a memory foam head cushion which is detachable and removable if you do not wish to use it. On the Razer website among specifications, it stands that the chair is best suited for persons from 5’6” – 6’2” (170 – 190cm) height and up to 299lbs (136kg).

Features

The chair has, of course, height adjustment as any gaming chair and surprisingly it has great control for the armrest. The armrest can be adjusted in 4 different ways: up & down, left & right, forward & backward, and inward & outward. The backrest can be also tilted up to 26 degrees angle. All of these features are great and good but there is one more feature that really makes this chair stand out from rest and it is Lumbar support. Iskur has an adjustable lumbar support system on the lower part of the backrest. With your lumbar support secured, you can then make the necessary tweaks to optimize the rest of your posture using the Razer Iskur’s adjustable height, backrest, and armrests.

Conclusion

Razer Iskur is neither cheapest nor perhaps the best gaming chair you can buy, but it is a really good one. It is well manufactured and made to feel and look like a premium product that actually it is.

If you are trying to connect to the internet using the Microsoft Edge browser but encountered an error message instead that says, “Can’t connect to the proxy server”, read on as this post will show you how you can fix this error. This kind of error in Microsoft Edge could be caused by incorrect proxy settings or worse, malware. To fix this error, here are some suggestions you need to check out:

Option 1 – Try to check your internet connection

The first thing you can do to resolve the “Can’t connect to the proxy server” error in Microsoft Edge is to check your internet connection. There are times when your internet connection or Wi-Fi router can cause such problems. In such cases, you have to ensure that you have a valid internet source and if you are using a Wi-Fi router, you can try to use another connection and then see if the error is gone or not.

Option 2 – Try to disable the manual proxy set up from the Settings

In case you miss it, there is actually an option in the Settings panel that you can use to set up proxy in your Windows 10 computer. So if you encounter the “Can’t connect to the proxy server” error, you should disable manual proxy for the meantime and check if it fixed the error or not.

• Tap the Win + I keys to open the Windows Settings.
• Then go to Network & Internet > Proxy.
• And on your right-hand side, ensure that the Automatically detect settings are enabled and that the Use a proxy server option under the Manual proxy setup is disabled.
• Now try to open any website again and see if the problem’s fixed.

Option 3 – Try disabling the VPN

Like pointed out earlier, if you are using VPN, this could be the reason why you’re getting the “Can’t connect to the proxy server” error so the most obvious thing to do is for you to turn off the VPN and try to load a website in Edge again. And if you use a VPN software that works using their software, you can just completely exit or log-off from its account. On the other hand, if you are using a built-in Windows 10 VPN, you can simply turn it off or delete all the settings you have created there.

Option 4 – Disable the proxy server for your LAN

If your PC was just attacked by some adware or malware as of late, it is possible that it has changed the network settings in the system and might display spam advertisements. Thus, you have to disable the proxy server for your LAN. To do that, refer to these steps:

• Tap the Win + R keys to open the Run dialog box.
• Then type “inetcpl.cpl” in the field and hit Enter to pull up the Internet Properties.
• After that, go to the Connections tab and select the LAN settings.
• From there. Uncheck the “Use a Proxy Server” option for your LAN and then make sure that the “Automatically detect settings” option is checked.
• Now click the OK and the Apply buttons.
• Restart your PC.

Note: If you are using a third-party proxy service, you have to disable it.

Option 5 – Temporarily disable Firewall and third-party antivirus

Firewall and antivirus programs are known to block files the instant it detects a threat to the system. However, there are some cases when it can also block a file even when it’s a safe one. Thus, your antivirus or firewall programs might be the reason why you can’t download anything on your Windows 10 computer. To isolate the issue, you need to temporarily disable both the Firewall and antivirus programs and then check if you can now download anything from the internet. Do not forget to enable them again as disabling them can leave your computer vulnerable to cyber threats.

Option 6 – Clear the browsing data of Microsoft Edge

• Open Microsoft Edge.
• Then click on the three horizontal dots to open the menu.
• From there, click on Settings. And under Settings, click the “Choose what to clear” button under the Clear browsing data section.
• Next, check all the checkboxes and then click the Clear button to clear the browsing data in the Edge browser.
• Restart Edge.

Option 7 – Try to reset, repair or reinstall Edge via Settings

You can reset, repair or reinstall the Edge browser through Settings. If none of it helped, you can try the following:

• Open File Explorer and then go to this path – C:/Users/YourUsername/AppData/Local/Packages

Note: Before you type in the path in the Address bar, make sure that you put your user account name in place with the “YourUsername”.

• Tap Enter to proceed.
• Next, look for the folder named “MicrosoftEdge_8wekyb3d8bbwe” then right-click on it.
• Click on Properties and uncheck the option “Read-only” under the General tab in the Properties window.
• Click on Apply and then OK to save the changes made.
• After that, look for the MicrosoftEdge_8wekyb3d8bbwe folder again and delete it. And if a prompt stating “Folder Access Denied” appears on your screen, just click on the Continue button to proceed – doing so will delete most of the content inside the folder except for the folder named “AC”.
• Restart your PC.
• Now all you have to do is to re-register Microsoft Edge using PowerShell. In the Start Menu, search “Windows PowerShell”.
• Right-click on Windows PowerShell from the search results and select the “Run as administrator” option.
• Type in this command in the PowerShell windows and tap Enter – Cd C:/Users/YourUsername

Note: Once again, make sure that you key in your user account name in place of “YourUsername.

• After that, type in this command and tap Enter – Get-AppXPackage -AllUsers -Name Microsoft.MicrosoftEdge | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)AppXManifest.xml" -Verbose}
• Restart your PC.

Option 8 – Scan your computer for malware using Windows Defender

Your computer could be infected with malware which might have triggered the “Can’t connect to the proxy server” error. To fix this, you need to scan your computer using a reliable program like Windows Defender.

• Tap the Win + I keys to open Update & Security.
• Then click on the Windows Security option and open Windows Defender Security Center.
• Next, click on Virus & threat protection > Run a new advanced scan.
• Now make sure that Full Scan is selected from the menu and then click the Scan Now button to get started.

If you have been stuck on allocating disk space on steam you know how annoying this error could be. Here you are, with your new game eager to play it and relax a little and all of the sudden steam gets stuck on allocating disc space. Luckily this error is fixable, follow provided guide to fix the error and continue with installing the game.

1. Restart computer

   An old age solution of turning it off and turning it back on but in this case, it works 90% of the time.

2. Run Steam as administrator

   Allocating disk space when done by a third-party application can be a task that requires privileges higher than the normal user. Find the steam executable file in the installation folder, right-click on it and run it as an administrator

3. Clear Steam cache

   Launch Steam in admin mode. Once in the client, click on Steam at the top left corner of the screen. From the drop-down box, click on Settings. Once in the Settings, navigate to the Downloads tab. Click the Clear Download Cache option. Click OK on the prompt to confirm your action. Wait for the process to complete. When done, save changes and exit the client.

4. Change download server

   Launch Steam client in admin mode. Once in the client, click on Steam at the top left corner of the screen. From the drop-down box, click on Settings. Once in the Settings, navigate to the Downloads tab. Click the drop-down menu under the Download Region. Choose a different server to download from. Exit the Steam client.

5. Refresh installation files

   • Kill a Steam process in Task Manager.
   • Navigate to your Steam folder
   • Inside the Steam folder, select everything except the steamapps folder and the Steam.exe executable file.
   • Tap the Delete key on your keyboard.

6. Turn off firewall

   Firewall can prevent steam and cut access to system operations, disable firewall to fix this issue.

7. Stop overclocking

   If you have overclocked your PC, you can simply reverse the change. The steps you will need to take depends on the overclocking software. Launch the software and look for the option to stop the overclocking. Once done, restart your computer, rerun the game installation.

Error Code 0x80073afc - What is it?

Error code 0x80073afc deals with an antivirus program first built into Windows 8/8.1 This error occurs when Windows Defender, the built-in anti-virus software in Windows 8/8.1 and higher, does not start automatically and users attempt to manually start the program. During the initialization period of the program start-up, something goes wrong and users get a 0x80073afc Error message. The error message states there was a problem with the initialization of the program. Windows Defender provides protection of your computer and it is advised by the Microsoft Corporation that you ensure it starts up automatically on every start-up.

Solution

Further Information and Manual Repair

Users have found several manual repairs that have fixed the problem without needing to contact technicians for extra help. While the methods below should solve your problem easily, if this is the first time you have encountered the issue you may want to do a simple restart. This has fixed the problem for some users and is the easiest first troubleshooting move. If it doesn’t work move on to the methods listed below, which are easily completed without extra help.

Before trying any of these methods, please make sure that you are logged into a profile that is listed as the administrator of the computer of his administrative powers enabled. If this is not the case you will not be able to complete the following methods. Please log out and log back in on the administrator profile.

Method 1:

First, check to see if you have a third-party anti-virus program installed on your computer. Some users believe that the built-in Windows Defender program is not powerful enough to handle the safety of their computer so they usually download a third-party program. However, that program may have caused a conflict with Windows Defender and may not allow it to open. If you do have a third-party program installed, try uninstalling it then manually starting Windows Defender.

Method 2:

If method one does not work, you may be infected by malware or a virus that has tampered with the settings on your computer and will not allow Windows Defender to start automatically or manually.

First, open Run by holding the “Win” key and pressing the “R” key. Then type “Regedit”. The program will ask for permission to follow through with this action. Click on “Yes” and the Open Registry Editor will open.

Find the HKEY_LOCAL_MACHINESoftwareMicrosoftWindows NTCurrentVersionImage File Execution Option and check to see if there are any files similar to MSASCui.exe or MpCmdRun.exe. If there are any file entries that resemble that, you will want to right-click on them before selecting the “Delete” option. If you do not see any entries that match, this is not the issue with your Windows Defender and you will want to try another method.

The Registry on your computer is very important. It helps tell your computer what programs are safe to run, what programs should be run, and what programs should not be run. If it is tampered with by a virus or Malware, multiple system operations can be affected.

However, if you did find similar file names, and you deleted them, try to start Windows Defender manually. If it does not work again, move on to the next method. 

Method 3:

If the first two methods do not work for your issue, and you are still receiving error code 0x80073afc when attempting to start Windows Defender, this step should solve the problem if you have Restore Point installed on your computer, which you most likely do.

For this method, we will be restoring your computer to a previous Restore Point. First, just like in method two, hold the “Win” key and press the “R” key. This will open run. Next type “Rstrui.exe” and click “ok”. After some time, you will see System Restore Windows. Click “Next” and select the restore point that you would like to go back to. After your computer has restored to the point you selected, check to ensure that Windows Defender has started correctly.

If the above methods aren't able to rectify the issue, you might have to download and install a powerful automated tool to get the job done.