Download from Udemy not working

[zebulon888]

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• You will be asked some questions and requested to provide some information, please read them carefully and answer honestly
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Make sure you are using the latest version: run youtube-dl --version and ensure your version is 2018.12.03. 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 Issues with outdated version will be rejected.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 2018.12.03

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
• [x ] Checked that provided video/audio/playlist URLs (if any) are alive and playable in a browser

What is the purpose of your issue?

• [x ] 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 ```):

H:\>youtube-dl -u user -p password --verbose https://www.udemy.com/course
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-u', 'PRIVATE', '-p', 'PRIVATE', '--verbose', 'https://www.udemy.com/course']
[debug] Encodings: locale cp1252, fs utf-8, out utf-8, pref cp1252
[debug] youtube-dl version 2018.12.03
[debug] Python version 3.6.6 (CPython) - Windows-10-10.0.16299-SP0
[debug] exe versions: ffmpeg N-81555-g496d97f, ffprobe N-81555-g496d97f
[debug] Proxy map: {}
[udemy] Downloading login popup
ERROR: Unable to download webpage: HTTP Error 403: Unauthorized (caused by <HTTPError 403: 'Unauthorized'>); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; see  https://yt-dl.org/update  on how to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
  File "c:\program files\python36\lib\site-packages\youtube_dl\extractor\common.py", line 605, in _request_webpage
    return self._downloader.urlopen(url_or_request)
  File "c:\program files\python36\lib\site-packages\youtube_dl\YoutubeDL.py", line 2211, in urlopen
    return self._opener.open(req, timeout=self._socket_timeout)
  File "c:\program files\python36\lib\urllib\request.py", line 532, in open
    response = meth(req, response)
  File "c:\program files\python36\lib\urllib\request.py", line 642, in http_response
    'http', request, response, code, msg, hdrs)
  File "c:\program files\python36\lib\urllib\request.py", line 570, in error
    return self._call_chain(*args)
  File "c:\program files\python36\lib\urllib\request.py", line 504, in _call_chain
    result = func(*args)
  File "c:\program files\python36\lib\urllib\request.py", line 650, in http_error_default
    raise HTTPError(req.full_url, code, msg, hdrs, fp)

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If the purpose of this issue is a site support request please provide all kinds of example URLs support for which should be included (replace following example URLs by yours):

Note that youtube-dl does not support sites dedicated to copyright infringement. In order for site support request to be accepted all provided example URLs should not violate any copyrights.

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Description of your issue, suggested solution and other information

Explanation of your issue in arbitrary form goes here. Please make sure the description is worded well enough to be understood. Provide as much context and examples as possible.
If work on your issue requires account credentials please provide them or explain how one can obtain them.
I can not download my Udemy course content which had worked before

[evexoio]

until we fix this you can use https://github.com/r0oth3x49/udemy-dl

[zebulon888]

Ah, thank you

[Janed89]

Some info that might help: The/One problem seems to be the User Agent sent by youtube-dl. Unfortunately it's hardcoded (line 126 in udemy.py) so the '--user-agent' option is useless. Manually changing it to a recent Firefox string and feeding youtube-dl the cookies from an active session fixed the problem for me.