Typ: Warning Source: ASP.NET 2.0.50727.0 Category: Web Event ... Request URL: http://www.rieder.cc/WebResource.axd?d=-KmKWa6yJe_0W6SkxHtU5A2&t=632718971180625000 Request path: /WebResource.axd ...The strange thing about this entry is that we don't have a (physical) 'WebResource.axd' file and I'm not able to reproduce the warning on demand - it just appears (seems to me).