Unfortunately Firefox’s inbuilt ad-blocking system stops many of our forms from loading. If this happens to you, click on the shield icon in your Firefox address bar:
Settings for Firefox’s inbuilt blocking system will be displayed. Click on the “Turn off blocking for this site” button:
You should now find the form appears. Don’t worry, you have only switched off blocking for this particular domain; if you visit other sites, your ad blocker will continue to work.
Close this page to return to the form you were trying to fill in.