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Windows 3.70.0 version is missing ffmpeg.exe #3147

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Description

@KB3146706

The fewer issues I have to read, the more new features I will have time to implement, so I ask that you please try these things first

Operating System

Windows 11

Steps to reproduce

Extract LosslessCut-win-x64.7z and run LosslessCut.exe in it

Expected behavior

Software opens normally

Actual behavior

Pop up warning:
Fatal: FFmpeg executable not found

Image

Share log from developer tools

There is indeed no ffmpeg.exe in LosslessCut-win-x64.7z

Activity

  1. JustGeekFR commented on Oct 19, 2026

    @JustGeekFR

    Same issue here.

  2. mifi commented on Oct 19, 2026

    @mifi
    Owner

    investigating...

  3. mifi commented on Oct 19, 2026

    @mifi
    Owner

    thanks for reporting! confirmed, the windows x64 build accidentally got packaged without ffmpeg. fixing it in 3.70.1 which will be out shortly.

  4. added a commit that references this issue on Oct 19, 2026
    3f1c74d
  5. mifi commented on Oct 19, 2026

    @mifi
    Owner

    released 3.70.1 with fix

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