Offending URL (reporting from global.asax.cs): https://icepondsoftware.com/WebResource.axd?d=3kMb2KOpkdPa8NbZOG_mjEPmXfxuIkKyhHZYjUaXuC5Ci3CkyFv8V4rSyGsTfAYleAJLOq_YfS5TEBdp1hwWzdsKLgkYfLCvNMfMur4pBXc1&t=638610871965203766
Message: This is an invalid webresource request.