How to enable Defender Antivirus Periodic scan on Windows 10

  • Open the Defender Periodic Scanner on Windows 10 and click “Enable”. Windows Security > Virus & threat protectionClick here to learn more Microsoft Defender Antivirus Options The light will turn on “Periodic scanning.”

Microsoft Defender Antivirus is included in Windows 10 to detect and remove malware. Many users opt to install third-party software such as Norton Antivirus by Symantec, AVG, Avira, BitDefenderMcAfee is one of the most popular security programs.

Microsoft Defender Antivirus has a feature known as “Periodic Scanning” to help you with this problem.

The scanning process will be performed periodically. Only on devices with a third-party anti-virus. The default antivirus remains disabled when the feature is enabled. It will, however, scan and remove threats that other installed security software might not have been capable of detecting.

This guide will show you how to enable periodic scanning on Windows 10 devices if you already have an antivirus installed.

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Windows 10: Enable periodic scanning

Follow these steps to enable “Periodic Scanning” on Windows 10 after adding a 3rd-party antivirus:

  1. Open Windows Security.

  2. Click Here Virus & threat protection.

  3. Click here to learn more. Microsoft Defender Antivirus options setting.

  4. Turn the Periodic scanning Click the toggle switch to turn it on.

    Defender enable Periodic scanning

Windows 10’s Automatic Maintenance feature will run scans at the best times possible to minimize battery and performance impact.

Microsoft Defender Antivirus detects and removes any malware automatically. However, you’ll receive a notification in Action Center that you can use to view the threat and take further action. 

Windows 10: Disable the periodic scanning

Use these steps to disable the “Periodic Scan” feature on your computer.

  1. Open Windows Security.

  2. Click Here Virus & threat protection.

  3. Click here to learn more. Microsoft Defender Antivirus Options setting.

  4. Turn off the Periodic scanning Click the toggle switch to turn it on.

    Defender disable Periodic scanning

Once you have completed the steps, Defender will no longer try to scan Windows 10 for threats when using a third party security solution.

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Microsoft Defender Antivirus Periodic scans are only intended to provide a layer of extra security for Windows 10 when you already have another antivirus installed.

This is the best way to manage this feature. It’s not recommended to use Command Prompt or PowerShell for this feature because they are unlikely to work.

Update January 23, 2020: This guide has been updated for accuracy and to reflect any changes.

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