Frequent question: How do I start Windows Defender?

How do I start Windows Defender in Windows 10?

Open Windows Defender by clicking the Start button. In the search box, type Defender, and then, in the list of results, click Windows Defender to access the Windows Defender interface.

Why can’t I turn on Windows Defender?

If Windows Defender is not working, that’s usually caused by the fact that it detects another antimalware software. Make sure you uninstall the third-party security solution completely, with a dedicated program. Try checking the system file by using some built-in, command-line tools from your OS.

How do I restart Windows Defender Service?

How to Reset Windows Defender Windows 10

  1. On your Windows desktop, click on the Start menu and navigate to the Search panel.
  2. Type ‘services. …
  3. Give a double-click on the Services tab to open the Security Center Service.
  4. Select the Security Center Service. …
  5. Click on the Reset option and restart your computer.

How do I turn on Windows Defender app?

Here’s how.

  1. Select the “Start” button, then type “firewall“.
  2. Select the “Windows Defender Firewall” option.
  3. Choose the “Allow an app or feature through Windows Defender Firewall” option in the left pane.

How do I activate Microsoft Defender Antivirus?

Turn Microsoft Defender Antivirus real-time protection on or off

  1. Select Start > Settings > Update & Security > Windows Security and then Virus & threat protection > Manage settings. …
  2. Switch the Real-time protection setting to Off and choose Yes to verify.
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How do I fix Windows Defender not turning on?

Cannot or Unable to turn on Windows Defender on Windows 11/10

  • Check if you have another security software installed.
  • Check the date or time on your PC.
  • Run Windows Update.
  • Check Internet Zone settings.
  • Check Group Policy setting.
  • Check Registry setting.
  • Check the status of Service.
  • Scan PC with portable antivirus software.

What to do if Windows Defender is not working?

Problems starting Windows Defender in Windows 8/8.1/10

  1. Restart your PC. …
  2. Remove existing antivirus and antispyware software. …
  3. Scan your PC for malwares. …
  4. SFC scan. …
  5. Clean Boot. …
  6. Restart Security Center Service. …
  7. Delete conflicting Registry Entry. …
  8. Enabling Windows Defender from Group Policy.

Why is my Windows Security blank?

Restart Windows Security Center Service. The Windows Security Center service monitors and reports security health settings on the system. You can check whether the problem is caused by closed Windows Security Center service. You can restart this service and see whether the problem is solved.