There appear to be some issues with the server, I've just been on chat to support.?
The files stored at??were just legacy files anyway and are way out of date so I've updated the page to reflect this.
All downloads can now be found at the Files area on this groups.io page which is on the left hand bare if you are accessing this via the web, or at the following link if you are reading this by email:?
/g/duncanampspsud/filesRegards,
Duncan