No. When you purchase software, it is usually distributed under a license that only lets you do certain things with it. It is usually only for personal use, but other times the manufacturers of the software will allow you to freely redistribute it.
Here are the steps I would do:
Do a "hard" power off. Hold the power key until the screen turns off. Wait 10 seconds. Turn it on. If it still shows the screen... then i'm not sure.
The error is occurring because it has nothing to boot off of. It's probably something wrong with your hardware. The instructions say for you to insert a "boot disk" and press any key.
ArrayIndexOutOfBoundsException
because it includes the extra info that you tried (and failed) to access an array