Can’t enable Windows Defender antivirus Windows 10?

Why can’t I enable 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 turn on Windows Defender antivirus in Windows 10 2020?

Turn on real-time and cloud-delivered protection

  1. Select the Start menu.
  2. In the search bar, type Windows Security. …
  3. Select Virus & threat protection.
  4. Under Virus & threat protection settings, select Manage settings.
  5. Flip each switch under Real-time protection and Cloud-delivered protection to turn them on.

How do I turn on Windows Defender in win 10?

To enable Windows Defender

  1. Click the windows logo. …
  2. Scroll down and click Windows Security to open the application.
  3. On the Windows Security screen, check if any antivirus program has been installed and running in your computer. …
  4. Click on Virus & threat protection as shown.
  5. Next, select Virus & threat protection icon.

How do I turn on Windows Defender antivirus?

To turn on Windows Defender:

  1. Navigate to Control Panel and then double click on “Windows Defender”.
  2. In the resulting Windows Defender information window the user is informed that Defender is turned off. Click on the link entitled: click here to turn it on.
  3. Close all windows and restart the computer.
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How do I fix Windows Defender not working?

When you encounter these problems, here are some things you can try:

  • Restart your PC. …
  • Remove existing antivirus and antispyware software. …
  • Scan your PC for malwares. …
  • SFC scan. …
  • Clean Boot. …
  • Restart Security Center Service. …
  • Delete conflicting Registry Entry. …
  • Enabling Windows Defender from Group Policy.

How do I fix Windows Defender not available?

Virus and Threat protection page not available

  1. At HKLMSoftwarePoliciesMicrosoftWindows DefenderPolicy Manager. …
  2. Hkey_Local_MachineSoftwareMicrosoftPolicy ManagerDefault and expand Defender.
  3. In the Key, find and Modify the sub-key highrange. …
  4. clicking the key name, and chose “Modify”.

Why is my Windows Defender antivirus turned off?

If Windows Defender is turned off, this may be because you have another antivirus app installed on your machine (check Control Panel, System and Security, Security and Maintenance to make sure). You should turn off and uninstall this app before running Windows Defender to avoid any software clashes.

How can I tell if Windows Defender is on?

Open Task Manager and click on Details tab. Scroll down and look for MsMpEng.exe and the Status column will show if it’s running. Defender won’t be running if you have another anti-virus installed. Also, you can open Settings [edit: >Update & security] and choose Windows Defender in the left panel.

Can I use Windows Defender as my only antivirus?

Using Windows Defender as a standalone antivirus, while much better than not using any antivirus at all, still leaves you vulnerable to ransomware, spyware, and advanced forms of malware that can leave you devastated in the event of an attack.

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How do I restore Windows Defender?

How to Reset Windows Defender Firewall

  1. Navigate to the Start menu and open the Control Panel.
  2. Click on the Windows Defender tab and choose the Restore defaults option from the left side panel.
  3. Click on the Restore defaults button and confirm your action by clicking Yes in the confirmation window.

Is Windows Defender automatically on?

Automatic Scans

Like other anti-malware applications, Windows Defender automatically runs in the background, scanning files when they are accessed and before user open them. When a malware is detected, Windows Defender inform you.