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Add the CSS protected DVD file you want to copy.
Open a DVD folder or a DVD driver from your computer to add a CSS protected or encrypted DVD file.
Remove the CSS protection and choose chapter.
After the CSS protected DVD file is loaded, DVD Ripper Wizard will remove the CSS protection automatically.
And you can see all the chapters and titles in it, then you can select the one you want to convert. If you want to convert the whole movie, you can just keep all the titles or chapters checked.