i hava define a job ,is very simple,Just have a context value,and a component of tMsgBox, The context Variable : prompt is checked. /uploads/projects/jasperetl/image/6.jpg The tMsgBox is Defined like this,just alert the context value above. /uploads/projects/jasperetl/image/7.jpg when i run in the designer ,i get the prompt like this: /uploads/projects/jasperetl/image/8.jpg but when i export as windows bat and run (Window 7 x64),i can't see the prompt ,somebody help.