Windows Defender Error Code 0x80073afc in Windows 8/8.1

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Windows Defender is counted as an inbuilt program of anti-virus. This thing is for Windows 8 and Windows 8.1. Some users say that the inbuilt antivirus is not enough to keep their PC safe from Malware and viruses, so antivirus is needed. For you the user of Windows 8 who prefer using Windows Defender over antivirus, you probably have faced some problems. One of the such errors is called Windows Defender error code 0x80073afc. Windows Defender is a help to provide the real time protection to your computer. You are better to start it on Every Startup. As the addition, it is better for the security to keep Windows Defender Up to Date. Nowadays, the users of Windows are facing problems with Windows Defender. This thing does not start automatically. You will get an error with a message box when you start it manually.

To fix Windows Defender error code 0x80073afc, there are several methods for you that can you try without the help of the others. The first method is removing the third party antivirus. Is there any third party antivirus installed other than inbuilt antivirus? If the answer is yes, you better uninstall them all from your computer because the conflict may occur on your computer. Apparently, the third party antivirus might have turned off Windows Defender and will not allow it to turn on. To turn on Windows Defender and to kick the error, you have to uninstall other programs of antivirus properly. After that, please check if the error is still there.

The second one is deleting malicious registry entry. There are the chances that the registry of your PC is tempered to add the malicious entry. It can happen if your PC is infected by Malware or viruses. Virus might add a registry entry so it does not allow antivirus to run. If it is there, you have to delete those entries from the PC. To do this thing, you have o start run by holding down “Win” key and press “R”. Then, type “regedit”. When you are prompted for permission, please click on Yes to open Registry Editor. After that, navigate to HKEY_LOCAL_MACHINE\Software\Microsoft\WindowsNT\CurrentVersion\ImageFileExecutionOptions. And check if you are able to find entries such as MSASCui.exe or MpCmdRun.exe. If you are able to find one, then right click on them and delete. If you cannot find one, please move to the next method.

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The last method is called System Restore Point. In this method, you are going to restore your computer to Previous Point when it was in a good condition without the error. In order to restart your computer to Previous Restore Point, all you have to do is open RUN, type in “Rstrui.exe” and click on OK, wait a few seconds until you see System Restore Windows, click Next and select Restore Point. Once it is done, please check whether you are still getting the same error code 0x80073afc or not.

Choose one method that suit you well, keep trying if you are failed, and please get a help from the experts of computer if you are not confident enough to fix it.

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