: A firewall or other security device is blocking the request, making it impossible to determine the status. Security Warnings
A file named is typically a standalone executable application designed to scan network devices for open ports. Because "Port-Scanner.exe" is a generic name, it can refer to legitimate network administration tools or, in some cases, malicious software disguised as a utility. Common Applications
: 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.
Using the PortQry command-line tool - Windows Server | Microsoft Learn
: The application is actively listening for connections.
The most frequent association with this filename is , developed by Famatech.
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.
: No application is listening, though the host is reachable.
