Offending URL (reporting from global.asax.cs): https://icepondsoftware.com/WebResource.axd?d=WMPtdItaNka0sPoupduswHyr_O5ImT3LUEHR4p9HIwpQf3oHmhFjgvNPXSc4oe-YHmvRf5R4rq7Jb_ErFYjcSu9AqQe_20zXQW_t9SlwEfw1&t=638610871965203766
Message: This is an invalid webresource request.