DVD Ghost is a very useful utility to make your software DVD play/copy/backup software restriction-free, and it also supports copy/backup DVD to hard disk.
It is a small, effective software working with DVD softwares. It is light on your system resources and resides in system tray. It removes all kinds of restrictions(CSS, RPC Region code, RCE, APS, UOPS etc.) from the DVD discs in the background.
Through this software your player will be able to play all region DVD on all DVD drives with mismatched region code without changing the region code. You needn't hack DVD drive (flash firmware) which is very dangerous.
It also supports operation-free through which you can remove pre-movie messages and announcements easily.
It also allows you to copy your DVD movie to hard disk if DVD copy/backup software not installed in your computer.
And more ...