Method 3: Enable Windows Defender in Windows Defender Service. Step 2: Tap the Turn on now button on the right of 'Spyware and unwanted software protection (Important)'. Step 1: Access Control Panel, input action center in the top-right search box and tap Action Center to get into it. Suppose you are informed that Windows Defender has been turned off and you can use Action Center to check its status (as shown in the following picture), you can enable it in the Action Center, referring to the procedures below. Method 2: Enable Windows Defender in the Action Center. Step 3: Choose Not Configured (or Disabled), and click OK. Step 2: Locate and open the ' Turn off Windows Defender' setting.įYI, it is in Computer Configuration/Administrative Templates/Windows Components/Windows Defender. If the system prompts you that the program is disabled by Group Policy (see the following picture), you can follow the steps below to have it enabled. Method 1: Enable Windows Defender in Group Policy. And according to different methods of disabling the app, there are corresponding solutions which are clearly illustrated below. The reason resulting in the above-described problem is probably that the Windows Defender is disabled. I cannot open Windows Defender in a Windows 8 computer, so please tell me how to solve the problem ASAP. 3 Methods to Enable Windows Defender in Windows 8/8.1

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