SubsCheck-Win-GUI is a Windows-based graphical application written in C# (for the .NET platform) designed to help Windows users check and manage subscription links (for proxy nodes) easily via a GUI rather than CLI scripts. The application provides a user interface for loading subscription links or node lists, performing checks (e.g., reachability, latency), and presenting results in a user-friendly view. It also supports auto-update of version information and links to downloads, as evidenced in its release notes (version 2.0.1.7 optimizing update mechanism). The tool caters to those who may prefer a desktop environment rather than deploying and debugging worker scripts themselves; it fills the niche of “subscription manager” on Windows. ...