Selenium Firefox Webdriver Via Geckodriver Results In Error: Failed To Start Browser: Entity Not Found

I'm using: Selenium ver 3.0.1 Firefox ver 47 64bit Windows 10 geckodriver ver 11 My code: from selenium import webdriver from selenium.webdriver.firefox.firefox_binary import Fir

Solution 1:

update firefox to >=48 to run selenium3

https://ftp.mozilla.org/pub/firefox/releases/49.0.2/win64/en-GB/Firefox%20Setup%2049.0.2.exe

Solution 2:

Found the problem might be a bug in the geckodriver.log I noticed something odd about the way the firefox.exe was invoked

1478478477543 geckodriver::marionette INFO Starting browser C:\Program Files (x86)\Mozilla Firefoxirefox.exe

when I changed my firefox path from firefox.exe to capital F Firefox.exe. everyting worked

binary = FirefoxBinary('C:\Program Files (x86)\Mozilla Firefox\Firefox.exe')