You can find the documentation for these programs in the Help menu. On 123 Video Encryption Magic, you need to press the Help button and select Web Help or Local Help option. The software will redirect you to the official website where you can find the user manual, or it will open the guide from your local machine:
Also, in order to fix the video copying problem, I recommend you try uninstalling and then reinstalling the software. If you still have issues, press the Customer Support button to get in touch with the developers.