Scan with Windows Defender missing in Windows 10

We all know Windows Defender is the Windows in-built Anti-Virus tool. Windows Defender now called as Windows Security. It helps the computer to remove the malicious files from the computer. When you right click on a file or a folder, you will get the option Scan with Windows Defender. Few users reported, the option scan with Windows Defender missing in their computers.

Using the Windows Security, you can perform the full system scan. It also allows you to scan each drive or any external drives separately. When you install any third-party Anti-Virus program on your computer, it will disable the Windows Security. When you remove the Anti-Virus program from your computer, it should work fine.

Users reported, after removing the Anti-Virus program, the option scan with Windows Defender missing on their computers. If you are facing this issue on your computer, this guide will help you to fix the issues.

How to fix scan with Windows Defender missing in Windows 10?

Follow the below resolution steps to fix the issue with scan with Windows Defender missing in Windows 10 computers.

Quick Note: Before proceeding with the below troubleshooting steps, we recommend you to create a System Restore point. If something goes wrong during troubleshooting, you can restore your computer back to previous working state.

  1. Press Windows logo + R keys on keyboard to open RUN window. Type regedit and hit enter. It will open the Registry Editor.

2. Navigate to the below location.

HKEY_CLASSES_ROOT\CLSID

3. Right click on CLSID key, select New and then Key.

4. Name this key as {09A47860-11B0-4DA5-AFA5-26D86198A780}.

5. Now, under {09A47860-11B0-4DA5-AFA5-26D86198A780} registry key, create two sub keys with names InprocServer32 and Version.

6. Now, navigate to the below location.

HKEY_CLASSES_ROOT\CLSID\{09A47860-11B0-4DA5-AFA5-26D86198A780}\InprocServer32

7. On the right hand pane, double click on Default string and change its Value Data to C:\Program Files\Windows Defender\shellext.dll

8. Also, create another Registry String with name ThreadingModel and assign its Value Data as Apartment.

9. Now, navigate to the below location.

HKEY_CLASSES_ROOT\CLSID\{09A47860-11B0-4DA5-AFA5-26D86198A780}\Version

10. On the right hand pane, double click on Default string; change its Value Date to 10.0.18362.1.

Note: You can also enter the current Windows version you are using.

11. Now, navigate to the below locations and make sure the Default registry string value is set to {09A47860-11B0-4DA5-AFA5-26D86198A780}.

HKEY_CLASSES_ROOT\*\shellex\ContextMenuHandlers\EPP

HKEY_CLASSES_ROOT\Directory\shellex\ContextMenuHandlers\EPP

HKEY_CLASSES_ROOT\Drive\shellex\ContextMenuHandlers\EPP

Now, close the Registry Editor and reboot your computer. After the reboot, right click on any file or folder. Scan with Windows Defender should be available now.

I hope that the above troubleshooting steps helps you to fix the issue with scan with Windows Defender missing in Windows 10 computers. If you need any further assistance, do comments below. We are happy to assist you further.

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