IIRC these are because the XmlSerializer generates the C# code required for the serialisation and compiles it "on the fly" and the file not found errors are signals to it that this has not yet been done.
There may be a fix whereby you ensure the serializer IS pre-compiled. -- Regards, Mark Hurd, B.Sc.(Ma.)(Hons.) On 12 October 2011 14:47, Ian Thomas <il.tho...@iinet.net.au> wrote: > I have a class called root, which describes an XML data structure that I > read from a disk file into a stream. > > All works OK, but this line > > Dim xSerializer As New XmlSerializer(GetType(root)) > > produces two consecutive System.IO.FileNotFoundException errors. This > doesn’t cause any problems at all, but I’m interested in why this occurs and > what the fix is. > > > > ________________________________ > > Ian Thomas > Victoria Park, Western Australia