Unable to backup LOTR extended UHD, Two Towers part 1

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Hello,

I'm new to this and just bought my first uhd drive. I flashed the fw and startet backup of my first UHDs. So far it worked for the Blade Runner / Blade Runner 2049 and the other 5 discs of the LOTR extended version.

But Two Towers part one fails with:

Screenshot_5.jpg (111.8 KiB) Viewed 1731 times

I tried several times, cleaned the disc carefully, but no luck.

It creates the files with the main movie beeing ~61Gbytes. VLC won't open it. txMuxer will open it and shows all the content, but fails when trying to process it:

Code: Select all

"Bitstream exception Unknown exception. It does not have to be! Please contact application support team for more information."

My pc runs win11, the drive is hooked via usb<->sata.

And ideas? many thanks in advance!