Please first use your DVD player software to play the DVD to see if it can be played well.
Then, re-open Ideal DVD Copy and try again.
If your issue persists, please tell us the exact name of the DVD, then use your windows explorer to browse it, view the "VIDEO_TS" folder by "details" mode, then send us a screenshot of that folder. Finally, click
, click "Export log file" to export the log file and upload it here. Then we'll help you as soon as possible.