Port-scanner.exe [ Reliable ]

: The application is actively listening for connections.

: Legitimate installations are usually found in C:\Program Files (x86)\Advanced Port Scanner\ .

The most frequent association with this filename is , developed by Famatech. Port-Scanner.exe

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

: A firewall or other security device is blocking the request, making it impossible to determine the status. Security Warnings : The application is actively listening for connections

: 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.

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. Using the PortQry command-line tool - Windows Server

: No application is listening, though the host is reachable.