My script is running fine. However, if I disconnect from the internet, the UDF WebDriver (geckdriver) doesn't work (see below for output). I have WAMP installed and it's running great so I have a web server on my local machine... so wondering why the geckodriver is not working? Does it really need to connect to the internet to run? It can't run on a local server? I tried something like this: _WD_Option('Port', 80) port 80 being the port for WAMP but that didn't work. It says, "_WD_S