Filereference Ghost

hello every one…

i am facing a strange problem ,

i have a set of files being downloaded from a server. When i download it on my machine which is the server it downnloads… but on other systems , the file save dialog box opens but the file is not saved.( nothing is written to disk) after i click "save ".

I have used System.security.allowDomain(“myserver ip”);
still no file comes to the system…

can any one help please ??