Cannot Start The Driver Service On Http Localhost Selenium Firefox C

geckodriver --version

IWebDriver driver = new FirefoxDriver(service); Console.WriteLine($"Driver started successfully on port specificPort");

Build and run:

This comprehensive guide will dissect the root causes of this error and provide step-by-step solutions to get your automation suite running smoothly. Whether you are a seasoned QA engineer or a developer new to Selenium, this article covers everything from basic environment setup to advanced configuration debugging.

If you get "command not found", GeckoDriver is not installed or not in PATH → .