Fix “Microsoft Defender Threat Service Has Stopped, Restart It Now” Issue

Windows Defender is one of the excellent antivirus programs offered by Microsoft with Windows OS. You don’t need to use any 3rd party antivirus if you are using Windows defender. Many users have reported that they are facing issues with Windows defender after installing the new 2021 Windows 10 update. Here is an error message, “Threat Service Has Stopped, Restart It Now”. It means that you have to restart your Windows defender services. But when you click on the restart button, it throws another unexpected error.

Because of this issue, Windows defender won’t work on your computer and your system is vulnerable to malware, virus, or Trojan. So you have to fix this issue.

In this article, we are going to share one simple method to quickly solve Microsoft Defender Threat Service Has Stopped issue.

How to Fix Microsoft Defender Threat Service Has Stopped Problem

Step 1: Open the Start menu and then search for “Regedit” > press enter.

Step 2: In the registry editor, go to this path:

(Open Registry Editor > copy and paste below path to the navigation bar and press enter)

Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender

Step 3: You can see two values in the Windows defender folder. Right-click on the DisableAntiSpyware > Choose Modify > change the value from “1” to “0” > click on ok.

Step 4: Close the registry editor. Now go to Windows defender from settings and then click on that restart now button. The issue will fix automatically when you click on the restart button.

Method 2: Restart Windows Defender Services

Try this method if 1st method is not working. You have to restart Windows defender services to solve this issue.

Step 1: Open start menu > search for “services.msc” > press enter.

Step 2: Find the Security Center > Right-click on it and then restart.

Method 3: Clean boot your computer

Step 1: Open Start menu > search for “msconfig” > enter.

Step 2: Go to the Services > Hide all Microsoft services > click Disable all button.

Step 3: Open Task Manager > Startup > Disable all the startup applications > Apply and OK.

Enjoy!

Thank you for reading this guide.