Please consider turning on send info to Mozilla before posting a question. This helps us help you. As I have no info from your system that would help see things that cause issues. Try uninstalling and reinstalling Firefox please. Note it saves your profile. Note : Firefox 56.0.2 is current release https://www.mozilla.org/firefox/all/ Full Version Installer Note if still get prices wrong issue maybe in your profile. Or when on that page next to padlock in address bar, click that and see if you can change locations. (maybe) Please let us know if this solved your issue or if need further assistance.