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How to Use Microsoft Defender as Your Only Full-Time Antivirus
Question details
The user wants to configure Microsoft Defender to act as the primary, full-time antivirus software on their system without interference from other security programs.
- Product
- Windows Security
- Device & OS
- Windows
- Scenario
- Setting up the computer's security system to rely solely on Microsoft's built-in antivirus protection.
- Observed behavior
- Third-party antivirus programs or their real-time scanning features are preventing Microsoft Defender from operating in active mode, forcing it into passive mode instead.
Ensure you have administrator privileges on your computer, as you will need admin rights to uninstall existing security software and modify Windows Security settings.
Uninstall Third-Party Antivirus and Enable Real-Time Protection
To make Microsoft Defender your primary antivirus, you must first remove any other active security software to prevent conflicts.
Windows is designed to automatically put Microsoft Defender into 'passive mode' if it detects another third-party antivirus program with real-time protection turned on. To fully utilize Defender, you must completely remove these conflicting programs.
Click the Start menu, open Settings, navigate to 'Apps', and select 'Installed apps'.
Scroll through the list to find any older or third-party antivirus programs (such as McAfee, Norton, or Malwarebytes Premium). Click on the three dots next to the app and select 'Uninstall'.
Once the uninstallation process is complete, restart your computer to clear any residual files and security configurations.
After restarting, click the Start menu, type 'Windows Security', and open the application.
Click on 'Virus & threat protection', select 'Manage settings' under Virus & threat protection settings, and ensure the 'Real-time protection' toggle is switched to On.
Boost Your Windows Productivity with WPS Office
While Microsoft Defender keeps your system secure, ensure your daily document work is just as reliable. WPS Office is a free, lightweight, and highly compatible alternative to Microsoft Office, designed to run smoothly on any secure Windows environment.
- 1. Download the Installer: Visit the official WPS Office website and click the free download button.
- 2. Install the Software: Run the downloaded executable file and follow the simple on-screen instructions.
- 3. Start Creating: Open WPS Office and instantly start creating or editing your documents securely.
Frequently Asked Questions
Can I use Malwarebytes together with full-time Microsoft Defender protection?
Yes, but Malwarebytes should generally be used only for occasional or on-demand scans. If you enable the real-time protection feature in Malwarebytes Premium, it will cause Microsoft Defender to enter passive mode and stop acting as your full-time antivirus.
Why does Microsoft Defender say it is in passive mode?
Microsoft Defender automatically enters passive mode when Windows detects that another compatible third-party antivirus program is installed and running its own real-time protection on your device.
Is Microsoft Defender enough to protect my computer on its own?
Yes, for the vast majority of users, Microsoft Defender provides continuous, highly effective real-time protection against viruses, malware, and other security threats without the need to purchase additional software.
