Hence, it affects the performance of Windows Defender, as it can cause compatibility issues and security vulnerabilities. Outdated firmware or software – Outdated firmware will not allow Windows Defender to communicate with the operating system and other hardware.Therefore, Windows Defender may encounter device security errors and not provide any protection due to this reason.

Third-party antivirus app interference – Many antivirus programs will disable the Windows Defender automatically during the installation to prevent conflicts and avoid duplicating functionality.

Thus, the organization’s security Group Policy settings can affect the Windows Defender security page.

Group Policy settings – Windows Group Policy provides a way to enforce policies that control the behavior of the Windows operating system, applications, and user settings.

Various factors can lead to the device security page error the causes of these errors are. What causes the device security page not available error? Users on different platforms complain about issues with the Windows Defender device security page not being available.Īlso, you can read about Windows Defender not working on Windows devices.

The Windows Defender is an in-built windows components antivirus app that protects users from malware in real time. Restoro has been downloaded by 0 readers this month.Download Restoro PC Repair Tool that comes with Patented Technologies (patent available here).Ĭlick Start Scan to find Windows issues that could be causing PC problems.Ĭlick Repair All to fix issues affecting your computer's security and performance.Home › Fix › Laptop & PC › Device Security Page Not Available: How to Fix This Error

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