After successfully setting up a browser automation project using Selenium WebDriver on one machine, I encountered issues when trying to run it on another. The browser (Firefox) opens but the automation does not happen as expected. Upon timing out, an error is thrown:

"Failed to start up socket within 45000 ms. Attempted to connect to the following addresses: 127.0.0.1:7055"

. It seems that 7055 is the default port used by the Firefox driver for communication.

In comparison, on the machine where everything works, Firefox has an extension named "Firefox WebDriver 2.42.0" installed. Entering 127.0.0.1:7055 into the browser leads to a page titled "httpd.js". This suggests that the extension serves this page, which explains why it doesn't open on the other machine.

I tried searching for the extension online for download but couldn't locate it. Additionally, I couldn't figure out how it was initially installed, as it didn't appear to be done manually.

If anyone could provide assistance or insights, it would be greatly appreciated.

edit: revised the wording of the question