Hello! i create my software by Delphi 2010 for Windows, when i start my program by Wine 1.2.1 on linux i get error 80004002 "No such interface supported". I debug programm and found error code --- function TXMLDocument.SaveToStream(TMemoryStream); // Error --- stuff of the function unit XMLDoc; procedure TXMLDocument.SaveToStream(const Stream: TStream); begin CheckActive; DomPersist.saveToStream(Stream); SetModified(False); end; I found interfaces, may be it's help IDOMImplementation IDOMPersist IDOMDocument Can you fix this error in next versions? thank you Best Regards P.S. use wine 1.2.1