I encrypt my video files on DVD, when user want see videos, I decrypt video files on hard disk, then display to user. If user check the path of file, user can copy and use my films. How can I set a password to folder or files (video files) that user can’t open or run folder / files ?
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How long does decryption take? If it’s not too long, you could make a program that decrypts them when you want to run them and then decrypts them upon exit.
Either that or make your own folder viewing system that asks for a password for certain files.
Or one other option is to hide the files, then unhide them in the folders options, found using Windows Help And Support.