Don't you've error handler in your application? What Windows and VFP versions are you using?

>Time after time when user do next code:
>
>ox=createobject('word.document')
>...
>ox.application.ChangeFileOpenDirectory(lcpath_des)
>ox.application.Documents.Open("dog_423.doc")
>ox.application.Activedocument.printout
>
>we have error:
>OLE error code 0x800706ba Server RPC is not available
>What operator is "guilty"?