are there any websites I can go to in order to download any decryptor software free to backup my movies?

answering to comment:

I downloaded decryptor dvd downloaded, but when it is not decrypt the film trying to safeguard. Do anbody know why or any other free software decryptor I can download for free to save my films.

.. Seconding the above comment, doom9 is the place to find all this information ...

.. Enjoy exercise your "fair use" rights ...

Also when using dvddecrypter you might have to turn slysoft anydvd.