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Full Version: MP4Box crashing during muxing
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(NOTE: since I wasn't sure if the development version or the latest stable version was appropriate, I used the stable Windows 64-bit build, 2024.06.16.1 for debugging.)

Hello, I've been having an issue with exporting x264 video. I have tried it across several builds, including the current development build in the GDrive folder.

I've been upscaling a movie from a PAL DVD source. I use Hybrid to transcode to ProRes and change speed to 23.976fps along with a touch of QTGMC noise removal (it's a very messy transfer). I then split the file with Shutter Encoder into chunks for upscaling in Topaz. After I'm finished upscaling, I merge the upscaled 1440p ProRes files into one 209GB ProRes file. There's no audio track attached to the video at this stage; I intend to mux the audio and chapters using MakeMKV after Hybrid finishes the video conversion.

Hybrid keeps crashing when I'm resizing this large ProRes 1440p file to x264 1080p; most of the processing completes just fine, but the muxing step in MP4Box always crashes. The error message that appears in the log is below:

starting 2024-08-13@08_23_21_2210_09_muxing@08:25:36.180 - D:\Video\RIPS\_UPSCALES\_lwm\Lie.With.Me_iris2_ghq5_1440_sample.mp4
[Importer] Error importing D:\Video\RIPS\_UPSCALES\_lwm\2024-08-13@08_23_21_2210__05_mp4Temp.mp4 Failure while importing media: Filter not found for the desired type Error importing D:\Video\RIPS\_UPSCALES\_lwm\2024-08-13@08_23_21_2210__05_mp4Temp.mp4: Filter not found for the desired type
2024-08-13@08_23_21_2210_09_muxing finished after 00:00:00.039
-> 2024-08-13@08_23_21_2210_09_muxing crashed: ERROR: D:\Video\RIPS\_UPSCALES\_lwm\2024-08-13@08_23_21_2210__09.mp4 was not created!
Aborting '2024-08-13@08_23_21_2210_09_muxing' due to: ERROR: D:\Video\RIPS\_UPSCALES\_lwm\2024-08-13@08_23_21_2210__09.mp4 was not created!

I've also tried using FFMPEG instead of MP4Box, which produces a different error message. I've included a debug file for this use case as well.

A "small" sample file, along with zipped debug files for the whole video, the sample, and the sample using FFMPEG instead of MP4Box are included in this GDrive link.

Thank you for this awesome software and for your help!
GoogleDrive requires authorization.
So can't look at the debug output or the sample.
wild guess: Try disabling your antivirus solution, check free space.