How to Fix Windows 10 Defender Unexpected Error and Microsoft Defender Threat Service has Stopped Error?

Fix Windows 10 Defender

Windows Defender- a default security program of Window system, specially designed to scan and remove unwanted files and viruses. This antivirus tool is able to deal with all types of malicious threats and other security issues.

If you are using Windows Defender then you don’t need to install any other 3rd party Antivirus tool as it provides complete security solution for your Windows system. This tool must be updated on daily basis, this will enable it to fight with the latest threats.

But, sometimes this advance security tool start throwing error message without any specific error code. Few of the Microsoft Defender errors are:

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  • Microsoft Defender Threat Service has stopped
  • Windows Defender Error “Unexpected error. Sorry, we ran into a problem. Please try again”

These issues may appear when user attempts to update Windows Defender, and it throw error message like “Microsoft Defender Threat Service has stopped”.

Hence, without solving this error you can’t install the latest update and Windows Defender will become outdated,

If you are suffering from any of the above given error message while accessing or using Windows Defender on your Windows 10, 8.1, 8 & 7 PC/Laptop, then don’t worry and simply apply the given solutions one by one to fix these issues.

 

Steps to Fix “Microsoft Defender Threat Service has stopped” Error

If you are getting Microsoft Defender Threat Service has stopped error message while using Windows Defender then apply the below given steps carefully to get rid of this issue.

Step 1: First, you have to open the Run dialogue box, to do this press Win + R

Step 2: Now in the run dialogue box, type gpedit.msc and press Enter key.

Step 3: Choose the Administrative components and then navigate to the Windows Components.

Step 4: After it, search Windows Defender Antivirus and double click on it.

Step 5: Now, Turn off the windows defender antivirus > Choose Non-Configured.

Step 6: At last, reboot your PC and check for the error. This will surely fix the “Microsoft Defender Threat Service has stopped” Error.

Tricks to Fix Windows Defender Error “Unexpected error. Sorry, we ran into a problem. Please try again” Issue

Fix 1: Try after Restarting the Security Center Service

Sometimes, due to certain services you may face “An unexpected problem. These issues can be easily fixed, to overcome from this temporary problem you have to reset the problematic service.

Don’t make it more complicated and simply

follow the below given steps:

  1. Open the run dialogue box by pressing Windows key + R
  2. In the run box, type services.msc and press Enter key.
  3. This will open up the Services Windows, here you have to find the Security Center.
  4. Right-click on the Security Center and click on Restart.

After resetting the conflicting services, make sure if the problem still persists or not.

 

Fix 2: Clean boot your computer

Clean boot is recommended to fix the third-party applications interfere with Windows Defender.

This is the most common issue that can trigger an unexpected problem occurred error message to appear.

To perform a Clean boot, follow the below given steps:

Step 1: First you have to open the msconfig Window. To do this you have to open the Run box (Windows Key + R) then type msconfig and press Enter key to open the msconfig window.

Step 2: Once you open the System Configuration window. Navigate to the Services tab and check Hide all Microsoft services. After it, click Disable all button.

Step 3: Now, you have to open the Task Manager. Go to the Startup tab and click Open Task Manager.

Step 4: After opening the Task Manager, go to the list of startup applications. Right-click on the first entry on the list and select Disable from the menu. Repeat this step for all the startup applications present in the list.

Step 5: Disabling all the startup applications, close the Task Manager and go back to the System Configuration window.

Step 6: Click on the Apply and OK to save the changes, restart your PC.

 

Fix 3: Run SFC Command

Sometimes, when system files gets damaged or misplaced from their actual location then the defender will start showing error message.

To overcome from this issue, you need to run the System File Checker tool. This inbuilt tool will help you to repair the damaged system files.

To run an SFC scan, follow the below given steps:

Step 1: to run the SFC scan on your system. First, you need to open the Command Prompt with admin privilege. To do this, press Windows Key + X and select Command Prompt (Admin) or PowerShell (Admin) from the menu.

Step 2: Now, in the command window, type sfc /scannow and press the ENTER key

This process will take few minutes to finish.

 

Fix 4: Run DISM scan

Step 1: Again open the command prompt with admin privilege.

Step 2: Now, type the DISM /Online /Cleanup-Image /RestoreHealth and hit Enter key to run this command.

DISM command will scan your system files. This entire process will take up to 30 minutes to complete.

After the finishing of DISM scan, verify your system for the errors.

 

Fix 5: Enable Windows Firewall

To enable the Windows Firewall, apply the below given steps:

Step 1: Open the Control Panel by pressing Windows Key + I

Step 2: Click on the System and Security and select the Windows Firewall.

Step 3: In this Windows you will find the option at the left window pane – click on the Turn Windows Firewall on or off.

Step 4: Now, Choose the Turn ON Windows Firewall and reboot your PC/Laptop. 

 

Also Read: [Solved] Microsoft Security Essentials and Windows Update Error 0x800705B4

 

Fix 6: Registry Fix for Windows Defender Error

Note: Before applying any registry fix, it is recommended to first take a backup of your registry database.

Step 1: Open the run dialogue box by pressing Win + R, after opening the run dialogue box type regedit in it and press Enter key. This will open up the Registry Editor Window.

 

Step 2: Now, navigate to the below given registry key:

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender

 

Step 3: Highlight the Windows Defender present at the left window pane and then double click on DisableAntiSpyware DWORD available in the right window pane.

Note: In case you are unable to find the Windows Defender key and DisableAntiSpyware DWORD then you have to manually create both of them.

Step 4: Now, in the value data box of DisableAntiSpyware DWORD you have to modify the value from 1 to 0.

1 is for disabling Windows Defender and 0 is for enabling the Windows Defender.

At last, restart your PC or Laptop to save changes and verify for the error.

 

Fix 7: Start Windows Defender Services

Step 1: Open the services Windows, to do this first you have to open the run dialogue box (Press Windows + R) and in the run box type services.msc and pres the Enter key.

Step 2: Now, you have to find the below given services in the Services window:

Windows Defender Antivirus Network Inspection Service
Windows Defender Antivirus Service
Windows Defender Security Center Service

Step 3: Now, double-click on the each of them services and setup their Startup type to Automatic and click on the Start if the services are not already running.

Step 4: Click on the Apply and then OK.

Step 5: At last, restart your PC to save the changes.

 

Conclusion

So, it is hoped that now your Windows Defender is working properly. All the above given solutions are completely tested and able to deal with all types of Windows Defender related issues.

After fixing Windows Defender errors and issues, now it is recommended to scan your PC or Laptop with a professional Error Repair Tool. This tool will help your PC to overcome from all types of issues and hidden errors.

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How to Fix Windows 10 Defender Unexpected Error and Microsoft Defender Threat Service has Stopped Error?
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How to Fix Windows 10 Defender Unexpected Error and Microsoft Defender Threat Service has Stopped Error?
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Want to Fix Windows 10 Defender Unexpected Error and Microsoft Defender Threat Service has Stopped Error then apply the given tricks and tips to overcome from this issue. Also learn how to make your PC error free and fast...
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