How To Reset Windows Defender

How To Reset Windows Defender?

Windows Defender is a built-in security firewall on Windows computers. With this security feature, there comes no requirement of any third-party antivirus software. In case you have issues with Windows Defender, try to reset it to the factory default settings. Carry out these steps to know how to reset Windows Defender on your Windows computer.

Method 1: Using Windows Security

  • On your Windows computer, open the Start menu and click the Settings icon. Doing so will open the Settings app.
  • Alternatively, you can open the Settings app by pressing the Windows + I shortcut keys.
  • Click the Update & Security tab in the Settings window.
  • Select Windows Security from the left-side panel.
  • In the Windows Security window, click the Firewall & network protection tab.
  • Scroll down the page and click on Restore firewalls to default.
  • On the next page, click the Restore defaults button.
  • If prompted, click Yes to confirm the reset.

Method 2: Using Windows Control Panel

In older versions of Windows, you can use Control Panel to reset Windows Defender.

  • First, open the Start menu and type ‘control’ in the search field.
  • Click to open Control Panel from the search result.
  • View by large icons in the Control Panel window.
  • Click the Windows Firewall tab.
  • Navigate to the left-side panel and click the Restore defaults tab.
  • On the Restore default settings screen, click the Restore defaults button.
  • In the Restore Defaults Confirmation window, click the Yes button.

If you are not able to reset Windows Defender using Control Panel, try to execute the next method using Command Prompt.

Method 3: Using Command Prompt

  • Open the Start menu and type ‘cmd’ in the search field.
  • From the search results, right-click the Command Prompt app and select the Run as administrator option.
  • If the device prompts for User Account Control, click the Yes button.
  • In the Command Prompt window, type ‘netsh advfirewall reset’ and hit the Enter key.
  • The above command will reset Windows Defender.
  • Close the Command Prompt window and restart your computer.

To get more assistance on how to reset Windows Defender, click the Call button on this page and contact our dedicated technical experts for assistance in resolving it.


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