How to Fix Error Code 0x8007007B on Your PC

Two monitor systems are not such a rarity like they were just a couple of years ago. More and more people are finding out the benefits of having 2 screens instead of one no matter if you play games or do serious work. So how technology has moved forward and new norms so have Windows and we can now set different wallpapers to different screens very easy, a task which was very difficult in the past.

1. Go to the Personalization option in the Control Panel.
2. Right-click on your home screen and select the Personalize option from the menu.
3. In the new window, you can browse for images you wish to set as wallpaper on both of your monitors. This way, the images would be preloaded in the “Choose your picture” option.
4. Right-click on the image. Doing this will open a new menu that will allow you to set wallpapers for each screen. There is also another option called “Choose a fit” which gives you the option to select the fit of the wallpaper.
5. Choose one wallpaper for “monitor 1” and a different wallpaper for “monitor 2.” You will now see your dual-screen setup customized with two different wallpapers.

iWin is a self-published games platform that offers users to download and play free games. It is classified as potentially unwanted, primarily because it often comes bundled with the iWin Toolbar, which is an adware supported browser extension by Conduit. The iWin Toolbar is heavily flagged as malware or unwanted by numerous Antiviruses. iWin Games is not malicious in itself, though due to its bundling and common inclusion of the toolbar, many users wish to remove it.

About Browser Hijackers

Browser hijack is a very common type of online fraud where your web browser configurations are altered to allow it to do things you never intend. Basically, most browser hijackers are made for marketing or advertising purposes. It redirects you to the sponsored sites and injects advertisements on the browser that helps its creator generate income. Most people assume that these kinds of websites are legitimate and harmless but that is incorrect. Nearly every browser hijacker poses an actual threat to your online safety and it is necessary to categorize them under privacy risks. When the program attacks your computer or laptop, it starts to mess things up a whole lot that slows your computer down to a crawl. In the worst-case scenario, you may be pushed to deal with serious malware threats as well.

How one can know whether the web browser is hijacked?

There are plenty of signs that indicate your internet browser has been highjacked: the browser’s homepage is changed; you find new unwanted bookmarks or favorites added, usually directed to ad-filled or pornography sites; The default search page of web browser is altered; you’ll see many toolbars on the web browser; your internet browser displays constant pop-up ads; your web browser starts running slowly or presents frequent glitches; You can’t access certain sites, particularly anti-virus websites.

How they invade computers

Browser hijackers infect PCs in numerous ways, including via a drive-by download, a file-share, or an infected e-mail. Many browser hijackings originate from add-on programs, i.e., browser helper objects (BHO), toolbars, or plug-ins added to web browsers to provide them extra capabilities. Also, some shareware and freeware can put the hijacker in your computer through the “bundling” technique. A good example of some popular browser hijackers includes Anyprotect, Conduit, Babylon, SweetPage, DefaultTab, Delta Search, and RocketTab, but the names are constantly changing. Browser hijackers could record user keystrokes to collect potentially important information that leads to privacy concerns, cause instability on systems, severely disrupt the user experience, and ultimately slow down the computer to a point where it becomes unusable.

How to repair a browser hijack

Some hijackers can be easily removed by uninstalling the free software they were included with or by deleting any extension you have recently added to your computer system. However, most browser hijackers are hard to get rid of manually. Irrespective of how much you try to eliminate it, it may return over and over. And there’s no denying the very fact that manual repairs and removal can be quite a difficult job for a beginner computer user. Furthermore, there are many risks associated with tinkering around with the pc registry files.

What To Do If You Cannot Install Any Antivirus?

Malware could cause many different types of damage to computer systems, networks, and data. Some malware variants modify internet browser settings by including a proxy server or modify the computer’s DNS settings. In these cases, you’ll be unable to visit some or all of the sites, and thus not able to download or install the required security software to remove the computer virus. If you’re reading this article right now, you may have perhaps recognized that virus infection is the cause of your blocked net connectivity. So what to do when you want to install an anti-virus application like Safebytes? Refer to the instructions below to remove malware through alternative ways.

Make use of Safe Mode to fix the issue

In the event the malware is set to load at Windows startup, then booting in safe mode should avoid it. Only minimal required applications and services are loaded whenever you boot your laptop or computer in Safe Mode. Here are the steps you should follow to boot into the Safe Mode of your Windows XP, Vista, or 7 computers (visit Microsoft website for instructions on Windows 8 and 10 computers). 1) Press the F8 key continuously as soon as your system boots, but before the large windows logo comes up. This will bring up the Advanced Boot Options menu. 2) Use the arrow keys to choose Safe Mode with Networking and press ENTER. 3) Once you get into this mode, you will have an internet connection once again. Now, use your browser to download and install an anti-malware application. 4) Right after the software program is installed, let the scan run to remove viruses and other threats automatically.

Obtain the antivirus software using an alternate internet browser

Certain malware might target vulnerabilities of a specific web browser that obstruct the downloading process. The ideal way to overcome this issue is to go with an internet browser that is well known for its security measures. Firefox has built-in Malware and Phishing Protection to help keep you safe online.

Create a bootable USB antivirus drive

Another way is to download and transfer an antivirus application from a clean PC to run a scan on the infected computer. To run anti-malware from a USB pen drive, follow these simple measures: 1) Use another virus-free computer system to download Safebytes Anti-Malware. 2) Insert the pen drive onto the same computer. 3) Double-click the Setup icon of the anti-malware software package to run the Installation Wizard. 4) When asked, select the location of the pen drive as the place where you would like to store the software files. Follow the activation instructions. 5) Now, transfer the pen drive to the infected PC. 6) Run the Safebytes Anti-malware directly from the pen drive by double-clicking the icon. 7) Click on “Scan Now” to run a scan on the infected computer for malware.

Protect Your Computer & Privacy With SafeBytes Anti-Malware

To help protect your PC from many different internet-based threats, it is important to install an anti-malware program on your laptop. But with countless numbers of anti-malware companies in the market, nowadays it is hard to decide which one you should buy for your computer. A few of them are good, some are decent, while some will harm your PC themselves! You need to purchase a product that has gained a strong reputation and detects not just viruses but other kinds of malware as well. When considering commercial anti-malware tool options, most people opt for well-known brands, such as SafeBytes, and they are quite happy with it. SafeBytes anti-malware is a trustworthy tool that not only secures your PC permanently but is also extremely user-friendly for people of all ability levels. Through its cutting-edge technology, this software protects your personal computer against infections caused by various kinds of malware and similar threats, including adware, spyware, trojans, worms, computer viruses, keyloggers, potentially unwanted programs (PUPs), and ransomware. SafeBytes has a plethora of great features that can help you protect your PC from malware attacks and damage. Listed below are some of the best ones: Robust, Anti-malware Protection: Built upon a highly acclaimed antivirus engine, this malware removal application is able to identify and get rid of various stubborn malware threats like browser hijackers, potentially unwanted programs, and ransomware that other typical antivirus programs will miss. Live Protection: Malware programs attempting to get into the system are discovered and stopped as and when detected by the SafeBytes active protection shields. This tool will always monitor your PC for any suspicious activity and updates itself regularly to keep abreast of the constantly changing threat scenarios. Web Protection: Safebytes assigns all websites a unique safety rating that helps you to get an idea of whether the webpage you’re just about to visit is safe to browse or known to be a phishing site. High-Speed Malware Scanning Engine: SafeBytes’s virus scan engine is among the fastest and most efficient in the industry. Its targeted scanning considerably increases the catch rate for viruses which is embedded in various computer files. Lowest CPU and RAM Usage: SafeBytes is a lightweight and user-friendly anti-virus and antimalware solution. Since it uses very low computer resources, this program leaves the computer’s power exactly where it belongs to: with you actually. 24/7 Live Expert Support: For any technical concerns or product support, you may get 24/7 expert assistance through chat and email.

Technical Details and Manual Removal (Advanced Users)

If you wish to manually get rid of iWin Games without the use of an automated tool, it might be possible to do so by removing the program from the Windows Add/Remove Programs menu, or in cases of browser extensions, going to the browsers AddOn/Extension manager and uninstalling it. You may even want to reset your home page and search providers, and also delete browsing history, temporary files, and cookies. Lastly, examine your hard drive for all of the following and clean your computer registry manually to get rid of leftover application entries after uninstalls. Please be aware that this is for advanced users only and could be difficult, with wrong file removal causing additional PC errors. Moreover, certain malware is capable of replicating or preventing removal. You’re suggested to do this process in Safe Mode.

Xinput1_3.dll - What is it?

Xinput1_3.dll is a type of dynamic link library. It is an essential component of Microsoft DirectX. This is a technology that makes Windows OS compatible with programs rich in multimedia elements It helps your graphic card in creating a detailed virtual and stimulus environment. Games and programs with high graphics and sounds require DirectX to form a consonance with Windows PC to run successfully. The Xinput1_3.dll error occurs when games supported by DirectX are unable to run smoothly. This error is common on Windows 7. The error message is displayed in the following format:

• "The file xinput1_3.dll is missing"
• "File xinput1_3.dll not found"
• "Xinput1_3.dll not found. Reinstalling might help fix this."
• "Xinput1_3.DLL Not Found"

Solution

Error Causes

The causes of Xinput1_3.dll error include:

• Damaged and Corrupt Xinput1_3.dll files
• Missing Microsoft DirectX file
• Viruses and malware on your system
• Driver issues
• Registry overloaded with invalid entries

If you come across this error, make sure you fix it timely. It is recommended to do so because it not only stops you from accessing and playing your desired games and using high graphic applications but also can lead to system failure and crash if the underlying cause of the error is related to the registry.

Further Information and Manual Repair

To resolve this error code, here are some of the best do it yourself methods:

Restart Your PC

Sometimes due to minor concurrence, PC is unable to load the file Xinput1_3.dll from the directory. If this is the cause, then you are lucky. All you have to do to resolve it and restart your computer. Once the computer restarts, re-launch the program.

Install the Latest DirectX Version

Search for the latest versions of the DirectX utility version. Try extracting the Xinput1_3.dll files individually from the DirectX downloadable package on your PC. Once downloading is complete, try running your desired application again and see if the error code pops up or not.

Update the Graphics Card

Being an element of Microsoft DirectX, Xinput1_3.dll is directly related to the video/graphics card assimilated. There can be a possibility of a mismatch between the Xinput1_3.dll file and graphic card drivers. If this is the case, then the best way to resolve the error is to update the graphic drivers by installing the latest version drivers of your video/graphics card. Nonetheless, after trying all the solutions discussed above if the error still persists, then this triggers two things either the error is triggered by a viral infection that you are unaware of or the problem is related to the registry.

Install Restoro

Whichever might be the cause, in such as scenario the best quick fix to it is to download Restoro. This is an advanced, cutting edge, and multi functional PC repair that is deployed with several utilities including a registry cleaner, an antivirus, Active X controls, and class detector, and a system optimizer. The registry cleaner utility removes all the unnecessary files from the registry that could be damaging the dll files and the registry. It clears the disk space, repairs dll files, and restores the registry back to normal. Simultaneously the antivirus module scans your system for all possible malicious software. It removes viruses, Trojans, malware, spyware, and adware thereby resolving the Xinput1_3.dll error right away. Total System Care is safe, bug-free, and has a user-friendly interface with easy navigation. It is compatible with all Windows versions. Click here to download Restoro and resolve the Xinput1_3.dll error right away!

Error 12031 - What is it?

Error 12031 indicates that the connection with the server has been reset or is not properly connected. In other words, it signifies that the File Transfer Protocol which is the standard network protocol that is used to transfer files from one host to another over the internet is either reset or not working properly. For example, if you are using a wireless adapter, then you may experience this error code when the adapter loses its association with the access point. The error code is often displayed in the following format:

• "ERROR_INTERNET_CONNECTION_RESET"
• "Cannot Connect to the FTP Server"

Solution

Error Causes

Though the error 12031 is largely caused by poor internet connection and failure to obtain files from the FTP server, however, sometimes the error may be caused by invalid registry entries and outdated drivers. Furthermore, it may also be a Firewall issue.

Further Information and Manual Repair

To resolve this issue on your system, we have listed down the best and easy DIY solutions. These solutions are simple to perform and do not require any kind of technical expertise or knowledge. Just follow the steps and you will be able to resolve it in a couple of minutes.

Solution 1: Disable Firewall

If you are unable to connect to the server and you encounter the error code 12031 on your system, then to resolve this issue, disable the Firewall on your PC.

Solution 2: Reset IE (Internet Explorer) Settings

This error is typically experienced by IE7 users.  If you can’t access some websites in Internet Explorer and you come across a 12031 error code, then try resetting your IE settings. To do this, open Internet Explorer, click on tools, and then click on Internet Options. Now go to the advanced tab and select Use Passive FTP. After checking the box, exit and then try accessing those sites that were not accessible before. If after modifying IE settings you are able to access the sites without any error message display, then this means the error is resolved. Nonetheless, if the error still persists, then the error could be generated due to invalid registry entries.

Solution3: Download and Run Restoro

To remove invalid registry entries from your system and resolve the 12031 error immediately, it is advisable to download and run Restoro. This is a new, cutting-edge, and multi-functional PC repair tool integrated with multiple utilities like a powerful registry cleaner, an antivirus, and a system optimizer. The registry cleaning utility scans your PC for all registry errors. It wipes out unnecessary files, bad and invalid registry entries, repairs damaged files, and restores the registry thereby resolving the 12031 error on your PC. This error tool has a user-friendly interface and simple navigations. It is easy to use and compatible with all Windows versions. In addition to this, you can also use it to scan for malicious software and remove malware. It also functions as a system optimizer and boosts your computer’s speed dramatically. Click here to download Restoro on your PC and resolve error 12031 right away!

It has been reported that there are systems out there with Windows 11 operating systems that do not use the whole RAM memory installed in the system. If by any chance you are one of the unfortunate users that has encountered this issue, fear not, we have a solution for you.

Run the Windows Memory Diagnostic tool

1. Press ⊞ WINDOWS + S to open the search menu
2. Type in Windows Memory Diagnostic tool
3. Click on the found app
4. Select Restart now and check for problems
5. Wait for the tool to finish

Memory Diagnostic tool is a built-in tool in Windows, it was designed to automatically find and repair memory issues and should be your first step toward resolving this issue.

Check page file

1. Press ⊞ WINDOWS + S to open the search menu
2. Type in View advanced system settings
3. Click on the search result
4. Click on settings under performance
5. Click on the Advanced tab
6. Click on Change under Virtual memory
7. Uncheck the box for Automatically manage paging file size for all drives
8. Then select the drive and check the No paging file option
9. Click on Set
10. Repeat for all drives on the system
11. Reboot the system for changes to take effect

If after reboot system still does not see and use whole available RAM, repeat this process and turn back ON paging. After you are done move to the next solution.

Modify usable RAM

1. Press ⊞ WINDOWS + S to open the search menu
2. Type in System configuration
3. Click on the search result
4. Go to the Boot tab and click on Advanced options
5. Check the box for Maximum memory
6. Enter the installed RAM on your system in the field box and click on OK
7. Confirm once again on the OK and close the System configuration window
8. Restart the system

If the provided solution has not worked, uncheck the Maximum memory checkbox and save the changes. Move to the next solution.

Change and modify the registry

1. Press ⊞ WINDOWS + R to open the run menu
2. Type in Regedit and press the OK button or hit ENTER
3. Click on YES if prompted by UAC
4. Locate the HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory
5. On the right side find and double click on the ClearPageFileAtShutdown DWORD
6. Enter 1 under Value data and click on OK to save the changes
7. Close the registry and reboot the system

Enable memory remapping inside BIOS

In order to do this fix, you will need to enter BIOS on your system. How entering BIOS is different from system to system depending on your manufacturer, especially if it is a laptop this step you will have to do alone. Go to your motherboard manufacturer or laptop manufacturer and see how to enter BIOS.

1. Enter BIOS (80% of the time this can be done by pressing DEL or F12 while the system is turned ON)
2. Locate System Agent Configuration option
3. Select Memory Remap Feature and Enable it

Your BIOS might be different from ours and you might not have the System Agent Configuration option, in this case, go through the setting and try to locate Memory Remap Feature. If this feature is missing as well move to the next step.

Rearrange RAM modules on the motherboard

Sometimes RAM memory cannot be slotted properly or just purely switching them in slots can solve the issue. Take RAM out, clean memory slots, clean motherboard connectors for them, and place them back in a different order. If by any chance none of the methods worked, then the issue might be in the hardware itself, either memory banks themselves, motherboard, power supply, etc. If this is sadly the case, you will have to locate the issue and replace the faulty part. If you are not technical enough for this adventure, the best solution is to take a PC to a computer repair shop.

According to some reports, using RDP or Remote Desktop Protocol on recent versions of Windows 10 results in a black screen. One encounters this issue is when using the Remote Desktop Connection feature on Windows 10. The real causes of this black screen are either the display drivers or some misconfiguration with the Remote Desktop Connection utility. In most cases, the Remote Desktop in Windows 10 will display a black screen and then disconnects afterward. To fix this kind of issue on your Remote Desktop, there are two suggestions you need to check out. First, you can try to disable the persistent bitmap caching, and then you can also try to update your display driver. Follow the given options below for more troubleshooting instructions.

Option 1 – Try to disable Persistent Bitmap caching

The first thing you can do to resolve the black screen issue with the remote desktop is to disable the persistent bitmap caching. All you have to do is follow these steps:

• First, open the Remote Desktop Connection client.
• Next, click on the Show Options button to configure the Remote Desktop Connection.
• After that, go to the Experience tab and uncheck the Persistent bitmap caching option.
• Once done, you should now be able to connect to the remote computer without the black screen.

Option 2 – 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 blank dialog boxes problem 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.

Note: If updating the Graphics driver didn’t fix the problem, you can also try to roll back to its previous version and see if that helps or you could also try to roll back, update or reinstall the Network Adapter drivers.

Option 3 – Try performing a System Restore

You might also want to perform a System Restore that might help you in fixing the error. 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.

QuickLook app is one of the best options to preview files without opening them in Windows 10. It works similar to the Quick Look feature of macOS. This Microsoft Store app has some really interesting features. It lets you preview images, documents, and media files. Also, just a hotkey is needed to preview the content of a file. There is no interface for the app. Only a preview window is visible. You can also expand the preview window to full size. Apart from that, it lets you keep the preview window on top of the other opened applications. For image files, it also provides the EXIF data. After installing this app, just select some file that you want to preview, and press the Spacebar key. That’s it! The preview window will open immediately to view the file content. If you would like to read more helpful articles and tips about various software and hardware visit errortools.com daily.

Anytime when a new folder is created in Windows name "New Folder" is offered and set as the default name. If by any chance you would like to change this and set your own default name instead of the standard one, follow this guide. Please be aware that this guide will require you to change the registry of Windows, it is common practice to make a backup of your registry each time you want to manually change any values in it, just in case something goes wrong.

• In order to change the default new folder name first press ⊞ WINDOWS + R to open the run dialog, type in it RegEdit, and press ENTER
• In registry editor find the key:

HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer

• Select the NamingTemplates key. If it is not present, you’ll need to create one.
• Right-click the NamingTemplates key to add a String Value.
• Assign it the following name: RenameNameTemplate.
• Double-click on the RenameNameTemplate data value to open the Edit String dialog box.
• In the Value Data field enter the new text you want to appear when you create a new folder. You have to make sure you are not using any of the following characters: \ / ? : * " > < |
• Close the Registry Editor and Exit.
• Now, when you create a new folder, it will be named Whatever you chose instead of the New folder.

And that is all to it, you now have your own personal new folder naming template.

The Disk Management tool in Windows 10 is a built-in tool that contains a user interface used to manage disk partitions to administrators of the computer. There are lots of instances when you have to change the size of the hard disk partition or reduce the size and so on. This is where the Disk Management tool comes in. It’s useful as the command line interface can be quite confusing and risky for some users. However, there are cases when this tool stops working. A proof of this the reports submitted recently by some Windows 10 users. Based on the reports, the Disk Management does not load or respond. If you are having the same problem, read on as this post will give you some suggestions on what you can do to resolve the problem.

Option 1 – Try restarting the Disk Management Service

• Tap the Win + R key combination to open the Run dialog box.
• Then type “services.msc” in the field and hit Enter or click OK to open the Windows Services Manager.
• Next, scroll down in the service list until you see the Virtual Disk Service. Double click on it to open and then select Automatic.
• Click on Apply and OK to save the changes made.
• If it hasn’t started yet, you can just click on the Start button to start the Service. The Virtual Disk service provides management services for disk, volumes, file systems as well as storage arrays.
• Now save all the changes you’ve made and restart your computer. Then check if you can now use the Disk Management tool without any problem.

Option 2 – Try using the System File Checker scan

System File Checker or SFC is a built-in command utility that helps in restoring corrupted files as well as missing files. It replaces bad and corrupted system files with good system files that might be causing some issues with the Disk Management tool. To run the SFC command, follow the steps given below.

• Boot your PC into Safe Mode.
• Tap Win + R to launch Run.
• Type in cmd in the field and tap Enter.
• After opening Command Prompt, type in sfc /scannow

The command will start a system scan which will take a few whiles before it finishes. Once it’s done, you could get the following results:

1. Windows Resource Protection did not find any integrity violations.
2. Windows Resource Protection found corrupt files and successfully repaired them.
3. Windows Resource Protection found corrupt files but was unable to fix some of them.

Option 3 – Try using the DISM tool

Aside from the System File Checker, the DISM tool can also help you resolve the issue with the Disk Management tool. It helps in restoring the health of your computer.

• Open the Command Prompt as admin.
• Then type in this command: Dism /Online /Cleanup-Image /RestoreHealth
• Do not close the window if the process takes a while as it will probably take a few minutes to finish.

Option 4 – Try using Diskpart and Fsutil

If both the System File Checker and DISM tool didn’t work, you can use command-line tools like diskpart and fsutil. These command-line tools are powerful but you need to be careful especially if you’re not that familiar with using them. However, it’s recommended that you have somebody who knows if you’re really inexperienced with this kind of stuff.

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.