On Windows 11, the firewall, also known as Microsoft Defender Firewall, is a built-in security feature designed to protect your computer from unauthorized access over the internet or network.

Check third-party antivirus software: If you are not using Windows Defender as an antivirus program, but are using other software, then deactivate it temporarily and check whether Windows Security ...

Officially, Microsoft will stop providing new security updates for Windows 10 PCs after October 14, 2025, a little over a ...