Can the "EditProperties" page be edited? The URL points to a /layouts so I am assuming that it must be done outside Sharepoint Designer (I could not find it in Designer even as System account). I would like to make changes affecting one of the web zones and web-part placement. I am also wondering if I modify it, will this cause a problem with one of the profile databases.
THanks James..I left this in a comment (sorry)..here is a URL (with server name removed):