How can I disable mouse back button in Lectora when student is taking a test? On my test in Lectora, I provide answer feedback; but if a student incorrectly answers a question and then uses the back button on an optical mouse, he is able to change his answer to the correct one. I want to prevent the student from being able to do this. Ideas?How can I disable mouse back button in Lectora when student is taking a test? On my test in Lectora, I provide answer feedback; but if a student incorrectly answers a question and then uses the back button on an optical mouse, he is able to change his answer to the correct one. I want to prevent the student from being able to do this. Ideas?