Click on Windows Start and search for msconfig. Run System Configuration as administrator.
You can also start the program Run. Type msconfig and click on OK.
Select the tab Boot. In the section Boot options, enable Safe boot. Click on OK.
Click on Restart.
As shown in the previous step, make sure that Real-time protection is Off.
Download Autoruns for Windows. Extract the zip file and start the executable Autoruns64.exe.
If you are running Windows 10 32-bit, start Autoruns.exe.
Go to the tab Services. There will be not many services shown. That’s because Windows services are not showing by default.
Click in the menu bar on Options. Uncheck Hide Windows Entries. It will show the Windows services in the list view.
Search for WinDefend and uncheck the checkbox. Unchecking will prevent the Windows Defender automatic startup after every reboot.
Start the application msconfig.
Select the Normal startup. Click on OK.
Click on Restart.
After a restart, start Task Manager. There is no more Windows Defender service running.
Start Windows Security and have a look at Virus & threat protection. You will see that there is a spinning icon, or the status is showing as unknown. That’s because it’s fetching the information.
Give it a couple of minutes. After that, you will see that Virus & threat protection is disabled.
