Can't download YouTube videos #16064

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opened 2026-02-21 08:39:53 -05:00 by deekerman · 0 comments

deekerman commented

2026-02-21 08:39:53 -05:00

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Originally created by @sahil-lakhwani on GitHub (Mar 3, 2019).

youtube-dl.exe --verbose https://youtu.be/wvUQcnfwUUM

Output:

[youtube] wvUQcnfwUUM: Downloading webpage
[youtube] wvUQcnfwUUM: Downloading video info webpage
[youtube] {18} signature length 41.40, html5 player None
[youtube] wvUQcnfwUUM: Downloading player https://www.youtube.com/yts/jsbin/player_ias-vflX2rhq7/en_US/base.js
[debug] System config: []                                                                                                                        [debug] User config: []                                                                                                                          [debug] Custom config: []                                                                                                                        [debug] Command-line args: ['--verbose', 'https://youtu.be/wvUQcnfwUUM']                                                                         [debug] Encodings: locale cp1252, fs mbcs, out cp1252, pref cp1252                                                                               [debug] youtube-dl version 2018.12.17                                                                                                            [debug] Python version 3.4.4 (CPython) - Windows-10-10.0.17134                                                                                   [debug] exe versions: ffmpeg 4.0.2, ffprobe 4.0.2                                                                                                [debug] Proxy map: {}                                                                                                                            WARNING: unable to extract html5 player; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.                                      ERROR: Signature extraction failed: Traceback (most recent call last):                                                                             File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1226, in _decrypt_signature                                                                                                                                              File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1134, in _extract_signature_function                                                                                                                                     File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1201, in _parse_sig_js  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\jsinterp.py", line 245, in extract_function       youtube_dl.utils.ExtractorError: Could not find JS function 'encodeURIComponent'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.                                                                                                                                               (caused by ExtractorError("Could not find JS function 'encodeURIComponent'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.",)); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.                                                                           Traceback (most recent call last):                                                                                                                 File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1226, in _decrypt_signature                                                                                                                                              File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1134, in _extract_signature_function                                                                                                                                     File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1201, in _parse_sig_js  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\jsinterp.py", line 245, in extract_function       youtube_dl.utils.ExtractorError: Could not find JS function 'encodeURIComponent'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.                                                                                                                                              Traceback (most recent call last):                                                                                                                 File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1226, in _decrypt_signature                                                                                                                                              File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1134, in _extract_signature_function                                                                                                                                     File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1201, in _parse_sig_js  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\jsinterp.py", line 245, in extract_function       youtube_dl.utils.ExtractorError: Could not find JS function 'encodeURIComponent'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.                                                                                                                                                                                                                                                                                               During handling of the above exception, another exception occurred:                                                                                                                                                                                                                               Traceback (most recent call last):                                                                                                                 File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\YoutubeDL.py", line 793, in extract_info            File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\common.py", line 508, in extract          File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1847, in _real_extract  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1236, in _decrypt_signature                                                                                                                                            youtube_dl.utils.ExtractorError: Signature extraction failed: Traceback (most recent call last):                                                   File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1226, in _decrypt_signature                                                                                                                                              File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1134, in _extract_signature_function                                                                                                                                     File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1201, in _parse_sig_js  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\jsinterp.py", line 245, in extract_function       youtube_dl.utils.ExtractorError: Could not find JS function 'encodeURIComponent'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.                                                                                                                                               (caused by ExtractorError("Could not find JS function 'encodeURIComponent'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.",)); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.

Originally created by @sahil-lakhwani on GitHub (Mar 3, 2019). **youtube-dl.exe --verbose https://youtu.be/wvUQcnfwUUM** Output: ``` [youtube] wvUQcnfwUUM: Downloading webpage [youtube] wvUQcnfwUUM: Downloading video info webpage [youtube] {18} signature length 41.40, html5 player None [youtube] wvUQcnfwUUM: Downloading player https://www.youtube.com/yts/jsbin/player_ias-vflX2rhq7/en_US/base.js [debug] System config: [] [debug] User config: [] [debug] Custom config: [] [debug] Command-line args: ['--verbose', 'https://youtu.be/wvUQcnfwUUM'] [debug] Encodings: locale cp1252, fs mbcs, out cp1252, pref cp1252 [debug] youtube-dl version 2018.12.17 [debug] Python version 3.4.4 (CPython) - Windows-10-10.0.17134 [debug] exe versions: ffmpeg 4.0.2, ffprobe 4.0.2 [debug] Proxy map: {} WARNING: unable to extract html5 player; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output. ERROR: Signature extraction failed: Traceback (most recent call last): File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1226, in _decrypt_signature File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1134, in _extract_signature_function File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1201, in _parse_sig_js File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\jsinterp.py", line 245, in extract_function youtube_dl.utils.ExtractorError: Could not find JS function 'encodeURIComponent'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output. (caused by ExtractorError("Could not find JS function 'encodeURIComponent'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.",)); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output. Traceback (most recent call last): File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1226, in _decrypt_signature File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1134, in _extract_signature_function File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1201, in _parse_sig_js File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\jsinterp.py", line 245, in extract_function youtube_dl.utils.ExtractorError: Could not find JS function 'encodeURIComponent'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output. Traceback (most recent call last): File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1226, in _decrypt_signature File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1134, in _extract_signature_function File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1201, in _parse_sig_js File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\jsinterp.py", line 245, in extract_function youtube_dl.utils.ExtractorError: Could not find JS function 'encodeURIComponent'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output. During handling of the above exception, another exception occurred: Traceback (most recent call last): File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\YoutubeDL.py", line 793, in extract_info File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\common.py", line 508, in extract File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1847, in _real_extract File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1236, in _decrypt_signature youtube_dl.utils.ExtractorError: Signature extraction failed: Traceback (most recent call last): File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1226, in _decrypt_signature File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1134, in _extract_signature_function File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\extractor\youtube.py", line 1201, in _parse_sig_js File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\rg3\tmp5g6wx9_e\build\youtube_dl\jsinterp.py", line 245, in extract_function youtube_dl.utils.ExtractorError: Could not find JS function 'encodeURIComponent'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output. (caused by ExtractorError("Could not find JS function 'encodeURIComponent'; please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.",)); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type youtube-dl -U to update. Be sure to call youtube-dl with the --verbose flag and include its complete output. ```

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2026-02-21 08:39:53 -05:00

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starred/youtube-dl-ytdl-org#16064

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