you need a new app to open this windowsdefender link

Here is what Microsoft said regarding the compatibility with other antivirus products: Also, if you just got a new laptop, check if it came with a preinstalled antivirus trial version as this can stop Windows Defender to work properly. If you have third-party antivirus software installed on your computer, note that it might lead to certain Windows Defender errors.Ĭhoose to use either Windows Defender or a third-party antivirus tool. Why is my Windows Defender not working in Windows 11? Moreover, you can read more about the causes of this problem. This was our last solution for the Windows 11 Defender not working issue. If you change your mind and want to give a try to a third-party tool, choose Bitdefender since it’s known for the high detection rates of the latest malware, along with unbeatable multi-layer ransomware protection.

Reboot the system and see if it solves the issue.

NETSH WINHTTP SET PROXY MYPROXY.NET:8080.

Type Command Prompt and select the Run as Administrator option.

Wait for the process to finish as it will take some time and then restart your computer.

Type command prompt, and click on Run as administrator.

Switch the toggle On from under Real-time protection.

On the right pane, under Virus & threat protection settings, click on Manage settings.

Head over to Virus & threat protection.

Type Windows Security and select it from the options.

Click on the Search icon from the taskbar.

Click on the Change button and set the correct date and time for your zone.

Select the Date & time option from the right pane.

Go to Time & language option from the left pane.

Click on the Start icon from the taskbar.

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You need a new app to open this windowsdefender link