Offending URL (reporting from global.asax.cs): http://icepondsoftware.com/WebResource.axd?d=fatr-JltZv_ydf9-T09EzIOjYIBlbRvadcx7I9HgrzicclhDvXSw6PipsS9cn8g8VMP2BT8EWnHYmzaSk2MTj8QuppbxzcoAKcTofN0reIU1&t=638459824569584809
Message: This is an invalid webresource request.