If you are still staring at that red error message, run through this checklist:
Restart your IDE or manually kill all driver processes via Task Manager. If you are still staring at that red
from selenium.webdriver.firefox.service import Service or operating system restrictions.
The error "cannot start the driver service on http://localhost" is rarely a bug in Selenium. It is almost always an environmental issue rooted in version mismatches, incorrect paths, or operating system restrictions. If you are still staring at that red