ACTIVE MALWARE WINDOWS TESTED: WINDOWS XP, WINDOWS VISTA, WINDOWS 7, WINDOWS 8

How to fix
Turn Windows Defender On or Off
on Windows

Easily manage your Windows Defender settings on Windows 10 or 11 for enhanced security. Get expert-tested tips and avoid vulnerabilities today!

How to Turn Windows Defender On or Off?
Quick Summary
Impact level
Medium
Est. time
15 minutes
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Why does How to Turn Windows Defender On or Off occur?

  • Windows Defender turns off when another anti-malware or antivirus program is installed
  • Using two same-purpose programs for computer protection is not recommended
  • Windows Defender is automatically disabled by Microsoft when another security product is detected
  • Users may not know how to manage Windows Defender settings
  • The Shield icon may not be visible in the menu tray
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Hello, I know that Windows Defender is supposed to protect my computer. However, I am unsure if it’s on or off right now. Besides, can I use Windows Defender alongside another security software? If not, maybe you can explain how to turn on or off Windows Defender?

Windows Defender is a product of Microsoft, and it is meant to protect the system from spyware and malware. It is very similar to Microsoft Security Essentials software, which was available for Windows XP, Windows Vista, and Windows 7 users. Windows Defender now comes as part of Windows operating system with Windows 8/8.1/10. Typically, Windows Defender turns itself off when you install another anti-malware or antivirus program for computer protection. Usually, it is not recommended to use two same-purpose programs for computer protection (this rule does not apply for usage of anti-malware/anti-spyware + antivirus software), because that can be counterproductive and cause problems instead of solving them.

Therefore, the in-built Microsoft’s security software is set to automatically turn itself off once the user installs another anti-malware or antivirus program. Microsoft recommends removing (or, in case of WindowsDefender, turning off) the previous security product before installing and using new one. Sometimes it can be unclear how to manage Windows Defender settings and enable/disable. That is the reason why Ugetfix team decided to prepare a tutorial that explains how to turn Windows Defender on or off.

How to Turn Windows Defender On or Off?

How to check if Windows Defender is running?

  1. In the menu tray, click on a button that looks like a small arrow pointing upwards. Here, you should see a Shield icon. Usually, it is enough to find this icon to see whether the Defender is on or off. In case it's off, the Shield icon should have a little X on its bottom right side.
  2. To find out whether it's really off, click on the Shield icon to launch the program. If you couldn’t find this icon, just type Windows Defender in Windows search (click on Start Menu and type that phrase into the search box at the bottom of the menu).
  3. After launching the program, you can immediately see the answer to your question. If the Defender is on, you will see green color on the image of a computer and also some statements proving it. In case its off, you will see a lot of red colors and also statements that your PC is at risk.

Turn Windows Defender ON

  1. The in-built security software could be turned off because of another security software that you recently installed. Before you turn Windows Defender ON, make sure all other security programs are disabled or uninstalled from the system.
  2. You can launch Windows Defender using instructions provided above. Once you open the program, click on a large button that says Turn on.

Quick Tip: If you want to find out what the defender protects, click on Settings. This menu can be used to turn real protection as well as cloud-based protection on and off, enhanced notifications and more.

Turn Windows Defender OFF

  1. Open Windows Defender using instructions we provided earlier.
  2. Open Settings panel.
  3. Turn Real-time protection off.

Not happy with Windows Defender?

Windows Defender is for sure a good security software, however, according to some security software researchers, it is not the best option as there are better quality scanners available. Our team usually suggests using [rev id=”Reimage”], because this program can not only remove malware from the computer system but optimize it at the same time. Do not forget to Turn Off Windows Defender before you install this program on the system.

Bottom line

To turn Windows Defender on or off, users can check the Shield icon in the menu tray or search for Windows Defender in the Start Menu. If the Shield icon shows an X, it indicates that Windows Defender is off. If these steps do not resolve the issue, consider seeking further assistance.

Frequently asked questions

To turn on Windows Defender in Windows 10, go to Settings > Update & Security > Windows Security > Virus & threat protection, and click on 'Manage settings' under Virus & threat protection settings to toggle it on.

In Windows 11, navigate to Settings > Privacy & security > Windows Security > Virus & threat protection, then select 'Manage settings' and turn off the Real-time protection toggle.

Disabling Windows Defender can expose your PC to security risks, so it is recommended only to turn it off if you have another antivirus program installed.

Did this fix work for you?
Julie Splinters

Written & verified by

Software & Privacy Expert
Software uninstall Adware removal PUP cleanup Browser restoration Privacy tools

Julie Splinters is a software and privacy expert who has spent years helping users remove unwanted programs, clean adware-infected browsers, and reclaim their privacy settings. Her speciality is the grey area between legitimate software and potentially unwanted programs — the bundles, toolbars, and browser extensions that users never intentionally installed. Julie's uninstall guides are thorough and sequential, covering manual removal, registry cleanup, and post-removal browser restoration. She also writes about privacy tools and software installation best practices that help users avoid these problems in the first place.

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