To help give you the most relevant information, could you share if you are looking to or back up a physical disc ? Let me know your operating system (Windows or Mac) so I can provide specific troubleshooting steps or giveaway links. Share public link
If you have a legitimate code and encounter problems, try these solutions: leawo blu-ray player registration code
Download MakeMKV (which is legally free while in beta). Use it to "Backup" your Blu-ray disc to a folder on your hard drive. Then, play that folder using the free version of Leawo . This bypasses the disc protection for free. To help give you the most relevant information,
Why bother paying? Here is exactly what the registration code unlocks: leawo blu-ray player registration code