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Title: Avidemux_2.8.1.VC++.64bits crashes opening specific MP4 file
Post by: Redcrest82 on July 16, 2026, 08:26:54 AM

Hello,

The same file opens properly in other tools.

Error output is:
Assert failed :0 at line 116, file F:
\jenkins\workspace\VS2019_no_import\avidemux_plugins\ADM_demuxers\Mp4\ADM_atom.cpp

Please let me know how I can share the problematic MP4 file.
This post has restrictions in format and size for attachments.

Thanks in advance

Title: Re: Avidemux_2.8.1.VC++.64bits crashes opening specific MP4 file
Post by: sark on July 16, 2026, 10:55:45 AM

Try using a more recent version of Avidemux

https://www.avidemux.org/nightly/vsWin64/

Avidemux Forum

Avidemux => Windows => Topic started by: Redcrest82 on July 16, 2026, 08:26:54 AM