I've tried to save but it still does not save my value. File path is correct because when I click save the value became empty even though it had value before. I use Salaros Configuration package hense the configparser. For the full source code, it is right here at Github: https://github.com/PavarisP/FPS-Creator-Game-Launcher I'm new to C# and programming in general. Trying to make a launcher for my own game to let players to customize the settings in launcher instead of manually set in the ini file.