Port-scanner.exe

Because port scanning is a primary technique used by hackers to find vulnerabilities (such as "open doors" into a network), security software often flags these executables.

: Versions like Advanced_Port_Scanner_2.5.3869.exe are common Win32 executables. Functionality of Port Scanners Port-Scanner.exe

: A firewall or other security device is blocking the request, making it impossible to determine the status. Security Warnings Because port scanning is a primary technique used

: The application is actively listening for connections. Security Warnings : The application is actively listening

Using the PortQry command-line tool - Windows Server | Microsoft Learn

A port scanner works by sending requests to specific ports on a host and analyzing the responses to determine their status:

: It is used by network administrators to identify open TCP/UDP ports, find all network devices (including Wi-Fi routers and computers), and obtain information about those devices.