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Hello. Are you sure its in a RAR file format? I think WinRAR by default is associated with "ISO" (Image) files, so if you are using something like Nero or DVD Decrypter you should be able to burn the image to a dvd and have no problems at all. On the other hand in DVD Shrink when you go to backup a dvd change the drop down box that says something along the lines of "save as" usually only has "ISO" or "Folder" options. Would be more help but dont have shrink on this pc.-Aku-