ERROR: m3u8 download detected but ffmpeg or avconv could not be found.

[rossocenere]

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 2017.12.31. If it's not, read this FAQ entry and update. Issues with outdated version will be rejected.

• [x ] I've verified and I assure that I'm running youtube-dl 2017.12.31

Before submitting an issue make sure you have:

• [ x] At least skimmed through the README, most notably the FAQ and BUGS sections
• [ x] Searched the bugtracker for similar issues including closed ones

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)
• [x ] Question
• Other

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Dear community, I'm totally new to the forum and a total beginner in programming. I've recently installed youtube-dl and, even if I read the FAQ and topics similar to this one, I couldn't easily solve my problem. I hope you could easily explain where I am mistaken, because I don't seem to be able to do it as now.

I am trying to download a video, but when I get out of youtube I usually meet this problem:

ERROR: m3u8 download detected but ffmpeg or avconv could not be found. Please install one.

How could I solve it? I read that it can be related to the path, but I have no idea how to interact with it.
Thanks for your help.

[dstftw]

Error message clearly states what to do. Concrete steps depend on your OS and environment.