Member Avatar for mjfan

Whilst I am burning a DVD project on Nero Startsmart containing video
files .avi and .mpg, (what I'm about to explain can happen at
different times while burning project onto a disc) a message pops up
telling me: "Unable to prepare data for recording; Transcoding of Videos Failed"

I have no idea what has happened, and looked on the projects log file
and it came up with this information:

INFORMATION:
cause: 23 (bad_format)
source: _DVDProcessor
description: Invalid Packets found in VOBU

DumpExceptionInformation(): Caught SEH Exception 0xe06d7363 during
encoding

ERROR:
cause: 128 (nmc_processing_exception)
source: _VOBS::DoGuardedProcessing ()
description: Exception during encoding

I have no idea what this info means!!!
If someone could advise me on what I could do to correct this problem
as it happens everytime I burn a DVD project onto a disc, or tell me
of any free downloadable DVD burning software (free of viruses) that
would help me make my disc I would be very grateful.

Answers ASAP. Thanks for your help in advance

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  • Latest Post Latest Post by chrisbliss18

Dani AI

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Log excerpts in ’s post — especially "Invalid Packets found in VOBU" and the SEH exception — point to a problem inside the DVD authoring/bitstream layer (a VOBU is the small playback unit on DVD). In plain terms, Nero’s encoder is finding malformed or unexpected packets where it expects well‑formed MPEG/DVD units; that causes the transcoder to abort rather than a simple write error. (learn.microsoft.com)

Common causes seen with this symptom are corrupted or nonstandard input streams (silent/zero‑channel audio, broken interleaving), container metadata/navpack anomalies, or stray data streams that the authoring engine cannot handle. A practical diagnostic sequence is to isolate files by building a project with single inputs, play suspect clips end‑to‑end in a robust player, and try a simple remux/copy to see if the container or extra streams are the problem. Remuxing to strip bad streams often makes the file acceptable to the encoder. (ffmpeg.org)

When a single clip is the culprit, remuxing or re‑encoding to a DVD‑compliant MPEG‑2 stream usually fixes the error. A minimal FFmpeg example (PAL vs NTSC as appropriate) is shown here:

ffmpeg -i input.avi -target pal-dvd output.mpg

After producing a clean MPEG‑2/VIDEO_TS set, author and burn from that set rather than letting Nero transcode mixed inputs on the fly. Official FFmpeg docs show the DVD targets and options. (ffmpeg.org)

For a free, reliable workflow many users use DVD Flick to author/encode to a VIDEO_TS folder and ImgBurn to write and verify the disc; updating burner firmware and using good‑quality blanks reduces drive/medium failures. As noted, software environment can matter, but the log here most strongly points to bad input streams — cleaning or remuxing the sources before authoring is the most direct fix. (dvdflick.net)

Member Avatar for chrisbliss18

Try completely uninstalling Nero using their . Reboot and reinstall without the InCD software. Try doing a new transcode. If it breaks again, apply this patch and try again.

Some other ideas are:

  • See if you can successfully burn a much smaller video (around 10-20MBs) to the disk.
  • Try lowering the burn speed.

What are your system specs (CPU, RAM (type and size), available harddrive space, DVD burner specs, and type of media you are trying to burn)?

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