Fix: Windows Filtering Platform has Blocked a Connection on Windows 11

In this article, I will show you how to fix Windows Filtering Platform has Blocked a Connection on Windows 11

First think you can do is open Windows Power Shell, to do that open search bar and search for Windows Power Shell, right click on it and press Run as administrator

Here you have to execute the following commands respectively and restart the computer after execution to confirm the Windows Defender problem

DISM/Online /Cleanup-image /Scanhealth 

DISM/Online /Cleanup-image /Restorehealth 

Sfc /scannow 

After that you have to Restart Windows Security Center:

Windows+R, open and run, enter “services.msc” in the running input box to open the service, check whether the windows Defender service is closed, and open the service.

Once again you have to enter on Windows Power Shell

Enter the following command and press Enter

reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /d 1 /t REG_DWORD /f 

Restart the computer

After the restart open again Windows Power Shell as administrator

Enter the following command and press Enter

reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /d 0 /t REG_DWORD /f 

Restart your computer and your problem will be fixed

I am hoping that after reading this article you managed to fix Windows Filtering Platform has Blocked a Connection on Windows 11

For a more in-depth explanation, you can watch the video below from the youtube channel.