Open the control panel, Windows Defender, and click "tools ";
Click "option ";
Select "administrator" on the left and remove the check box before "use this program" on the right.
When it is disabled, a prompt is displayed immediately.
Then run Windows Defender on the control panel. If you want to enable the function, click "open it here" in the figure above.
Windows Defender cannot be started
Click Start-run (if this item does not exist, call it out using this method. Right-click the Start button and click Properties to switch to the Start menu tab, click "custom". In the pop-up "custom Start Menu", pull the scroll bar to the lowest level, select the "Run command" check box in the window, and click "OK" to exit.) enter services. run msc. In the displayed "service" window, find Windows Defender in the name column, right-click, select "properties", select "automatic (delay)" in the startup type, and click "OK, you can. If you want to start Windows Defender immediately, you can select "automatic (delay)" and click "Start" to start the service.