It asks me to install ffprobe while I have already installed it

[Steven-AA]

Please follow the guide below

• You will be asked some questions and requested to provide some information, please read them carefully and answer honestly
• Put an x into all the boxes [ ] relevant to your issue (like this: [x])
• Use the Preview tab to see what your issue will actually look like

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Make sure you are using the latest version: run youtube-dl --version and ensure your version is 2018.05.01. If it's not, read this FAQ entry and update. Issues with outdated version will be rejected.

• I've verified and I assure that I'm running youtube-dl 2018.05.01

Before submitting an issue make sure you have:

• At least skimmed through the README, most notably the FAQ and BUGS sections
• Searched the bugtracker for similar issues including closed ones
• Checked that provided video/audio/playlist URLs (if any) are alive and playable in a browser

What is the purpose of your issue?

• Bug report (encountered problems with youtube-dl)
• Site support request (request for adding support for a new site)
• Feature request (request for a new functionality)
• Question
• Other

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The following sections concretize particular purposed issues, you can erase any section (the contents between triple ---) not applicable to your issue

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If the purpose of this issue is a bug report, site support request or you are not completely sure provide the full verbose output as follows:

Add the -v flag to your command line you run youtube-dl with (youtube-dl -v <your command line>), copy the whole output and insert it here. It should look similar to one below (replace it with your log inserted between triple ```):

[debug] System config: []
[debug] User config: ['-x', '--no-mtime', '--proxy', '127.0.0.1:10542', '-o', 'D:/download/youtube/%(playlist_index)s-%(title)s.%(ext)s', '--write-auto-sub', '--cache-dir', 'D:/download/youtube/cache/']
[debug] Custom config: []
[debug] Command-line args: ['--playlist-items', '1', '-f', 'best', '-v', 'https://www.youtube.com/playlist?list=**']
[debug] Encodings: locale cp936, fs mbcs, out cp936, pref cp936
[debug] youtube-dl version 2018.05.01
[debug] Python version 3.4.4 (CPython) - Windows-10-10.0.17127
[debug] exe versions: ffmpeg N-90996-g29eb1c51d7
[debug] Proxy map: {'http': '127.0.0.1:10542', 'https': '127.0.0.1:10542'}
[youtube:playlist] **: Downloading webpage
[download] Downloading playlist: **
[youtube:playlist] playlist **: Downloading 1 videos
[download] Downloading video 1 of 1
[youtube] OQQ-W_63UgQ: Downloading webpage
[youtube] OQQ-W_63UgQ: Downloading video info webpage
[youtube] OQQ-W_63UgQ: Extracting video information
[youtube] OQQ-W_63UgQ: Looking for automatic captions
[info] Writing video subtitles to: D:\download\youtube\**
[debug] Invoking downloader on 'https://r3---sn-i3beln7r.googlevideo.com/videoplayback?ratebypass=yes&fvip=3&signature=83D814A92FFEE1985E926A67E33ADD8B9D418782.3DAEA4EA2F2BBBFE92C912208E42DE694D6BBF2F&lmt=1510214927746339&itag=22&requiressl=yes&sparams=dur%2Cei%2Cid%2Cinitcwndbps%2Cip%2Cipbits%2Citag%2Clmt%2Cmime%2Cmm%2Cmn%2Cms%2Cmv%2Cpl%2Cratebypass%2Crequiressl%2Csource%2Cexpire&expire=1525814211&mt=1525792431&initcwndbps=633750&ipbits=0&mm=31%2C26&mn=sn-i3beln7r%2Csn-npoeen7d&c=WEB&id=o-AOKy0sDQwKbIoyum-eU3C1fpPV0lz6dXnaL8o56sGVtk&key=yt6&source=youtube&mv=m&dur=4300.892&fexp=23724337&ms=au%2Conr&ip=164.52.12.83&pl=24&mime=video%2Fmp4&ei=Y7_xWo-kCtjQqAGuvKeoDg'
[download] D:\download\youtube\**
has already been downloaded
[download] 100% of **MiB
ERROR: ffprobe or avprobe not found. Please install one.
Traceback (most recent call last):
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpulhs0gaq\build\youtube_dl\YoutubeDL.py", line 2039, in post_process
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpulhs0gaq\build\youtube_dl\postprocessor\ffmpeg.py", line 241, in run
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmpulhs0gaq\build\youtube_dl\postprocessor\ffmpeg.py", line 156, in get_audio_codec
youtube_dl.utils.PostProcessingError: ffprobe or avprobe not found. Please install one.
...
<end of log>

And I have already installed the ffprobe

λ  ffprobe
ffprobe version N-90996-g29eb1c51d7 Copyright (c) 2007-2018 the FFmpeg developers
  built with gcc 7.3.0 (GCC)
  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-bzlib --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enab
...

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[dstftw]

Most likely you did not install it properly. It must be in %PATH% or near youtube-dl.exe.

[Steven-AA]

It works when I copy the ffprobe to the same floder of youtube-dl.exe.
But I am pretty sure it was in %PATH%. As I have showed that I can use it directly in the command line and according to the log youtube-dl.exe has find the ffmpeg in the same path.

[Hrxn]

Looks like you are using ConEmu, or Cmder or something.
They can have additional directories for binaries, does not mean that this is the system's PATH

[Steven-AA]

Powershell:

Windows PowerShell
Copyright (C) Microsoft Corporation. All rights reserved.

PS C:\WINDOWS\system32> ffprobe
ffprobe version N-90996-g29eb1c51d7 Copyright (c) 2007-2018 the FFmpeg developers
  built with gcc 7.3.0 (GCC)
  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-bzlib --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libblu
...

cmd:

Microsoft Windows [Version 10.0.17127.1]
(c) 2017 Microsoft Corporation. All rights reserved.

C:\WINDOWS\system32>ffprobe
ffprobe version N-90996-g29eb1c51d7 Copyright (c) 2007-2018 the FFmpeg developers
  built with gcc 7.3.0 (GCC)
  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-bzlib --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libblur
...

[Hrxn]

Are you running youtube-dl from ..\system32\ as well?

[Steven-AA]

no，I can run YouTube-dl anywhere and I can run ffprobe anywhere. They are all in the %path% On Wed, May 9, 2018, 00:29 HRXN <notifications@github.com<mailto:notifications@github.com>> wrote: Are you running youtube-dl from ..\system32\ as well? — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub<#16404 (comment)>, or mute the thread<https://github.com/notifications/unsubscribe-auth/AVWZue4-86-GH7ewBxPAfX-tUVFBtoPBks5twcflgaJpZM4T23CM>.

[Hrxn]

Perhaps caused by some config option, i.e.:
[debug] User config: ['-x', '--no-mtime', '--proxy', '127.0.0.1:10542', '-o', 'D:/download/youtube/%(playlist_index)s-%(title)s.%(ext)s', '--write-auto-sub', '--cache-dir', 'D:/download/youtube/cache/']

Not sure..

What happens if you run it without --cache-dir?

[Steven-AA]

It works ( I did not forget to delete the ffprobe near the youtube-dl
and I changed the vedio url to a short one which should be fine

[debug] System config: []
[debug] User config: ['--no-mtime', '--proxy', '127.0.0.1:10542', '-o', 'D:/download/youtube/%(playlist_index)s-%(title)s.%(ext)s', '--write-auto-sub']
[debug] Custom config: []
[debug] Command-line args: ['-v', '-x', 'https://www.youtube.com/watch?v=**']
[debug] Encodings: locale cp936, fs mbcs, out cp936, pref cp936
[debug] youtube-dl version 2018.05.01
[debug] Python version 3.4.4 (CPython) - Windows-10-10.0.17127
[debug] exe versions: ffmpeg N-90996-g29eb1c51d7, ffprobe N-90996-g29eb1c51d7
[debug] Proxy map: {'http': '127.0.0.1:10542', 'https': '127.0.0.1:10542'}
[youtube] QItDc_fmhl0: Downloading webpage
[youtube] QItDc_fmhl0: Downloading video info webpage
[youtube] QItDc_fmhl0: Extracting video information
[youtube] QItDc_fmhl0: Looking for automatic captions
[info] Writing video subtitles to: D:\download\youtube\**
[debug] Invoking downloader on 'https://r**'

[download] Destination: D:\download\youtube\**
[download] 100% of 889.22KiB in 00:11
[debug] ffmpeg command line: ffprobe -show_streams "file:D:\download\youtube\**"

[ffmpeg] Destination: D:\download\youtube\**
[debug] ffmpeg command line: ffmpeg -y -i "file:D:\download\youtube\**CAUGHT ME!!.webm" -vn -acodec copy "file:D:\download\youtube\**"
Deleting original file D:\download\youtube\**(pass -k to keep)

But, why?