Web addresses are usually written like http://www.example.com/
  Make sure that you're using forward slashes (i.e. /).

''locking - please continue in your original thread - https://support.mozilla.org/en-US/questions/1081053'' 1. The options tool bar where i set MY preferences does not work - when attempting to go to it comes up as: The address isn't valid The URL is not valid and cannot be loaded. Web addresses are usually written like http://www.example.com/ Make sure that you're using forward slashes (i.e. /).