Refer to attached image.
(A) for checkbox message should exist. (O) and (C) not necessary.

This dialog is invoked by:
1. Launch the notepad demo from java.sun.com.
go to http://java.sun.com/products/javawebstart/demos.html
Click launch button in a simple notepad demo
2. Type some messages in the notepad and try to do that Cut & Paste. The warning dialog will get displayed.