Wow!! I could never imagine this issue could be so weird!
According to GregiBoy suggestions, I grabbed and installed Ulead VideoStudio 11 trial version.
Since the image file for that title was already on HDD, I tried to open it with VideoStudio, and I got the error message:
“These files cannot be added to this project. These files may be of unknown file format, the computer does not have enough memory or the file is copyright protected.”
I won’t gave up… So I used DVDFab latest beta once again, and instead of image ISO, I extracted that title as VOB file using DVD folder structure. Better now… This time, VideoStudio can handle VOB file and I was able to render a new and fresh version as another ISO image. Well, that was not so good result, since now I got only video, total silence. Just in case I did some mistake, why not try to add audio track to that same video project? For that I will need the original AC3 soundtrack. So let’s use DVDFab once again and extract just the AC3 2Ch piece… Cool! Now let’s go back to VideoStudio and simply “load audio” to that project! But, for my surprise, I got the message: “The file [E:…\Title1.DVDRip.ac3] contains no audio data”.
I have to agree with Ting once again, the audio track in this DVD is problematic…
I still hope someday you will be able to workaround this issue…
Thanks and keep up the good work!