Can't download this URL

[fredfung]

Hi, I have problems about downloading http://www.youtube.com/watch?v=vbv-QXxJfhE

Log:

ff.feng@prod1:~/workspace/youtube-dl$ ./youtube-dl -v http://www.youtube.com/watch?v=vbv-QXxJfhE
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['-v', 'http://www.youtube.com/watch?v=vbv-QXxJfhE']
[debug] youtube-dl version 2013.07.23.1
[debug] Python version 2.7.3 - Linux-3.2.0-49-generic-pae-i686-with-Ubuntu-12.04-precise
[debug] Proxy map: {}
[youtube] Setting language
[youtube] vbv-QXxJfhE: Downloading video webpage
[youtube] vbv-QXxJfhE: Downloading video info webpage
[youtube] vbv-QXxJfhE: Extracting video information
[youtube] vbv-QXxJfhE: Encrypted signatures detected.
[youtube] encrypted signature length 87 (44.42), itag 46, html5 player vflART1Nf
[youtube] encrypted signature length 85 (42.42), itag 37, html5 player vflART1Nf
[youtube] encrypted signature length 87 (44.42), itag 45, html5 player vflART1Nf
[youtube] encrypted signature length 87 (44.42), itag 22, html5 player vflART1Nf
[youtube] encrypted signature length 87 (44.42), itag 44, html5 player vflART1Nf
[youtube] encrypted signature length 87 (44.42), itag 35, html5 player vflART1Nf
[youtube] encrypted signature length 87 (44.42), itag 43, html5 player vflART1Nf
[youtube] encrypted signature length 87 (44.42), itag 34, html5 player vflART1Nf
[youtube] encrypted signature length 87 (44.42), itag 18, html5 player vflART1Nf
[youtube] encrypted signature length 87 (44.42), itag 5, html5 player vflART1Nf
[youtube] encrypted signature length 87 (44.42), itag 36, html5 player vflART1Nf
[youtube] encrypted signature length 87 (44.42), itag 17, html5 player vflART1Nf
ERROR: unable to download video
Traceback (most recent call last):
File "./youtube-dl/youtube_dl/YoutubeDL.py", line 573, in download
videos = self.extract_info(url)
File "./youtube-dl/youtube_dl/YoutubeDL.py", line 327, in extract_info
return self.process_ie_result(ie_result, download=download)
File "./youtube-dl/youtube_dl/YoutubeDL.py", line 410, in process_ie_result
for r in ie_result['entries']
File "./youtube-dl/youtube_dl/YoutubeDL.py", line 357, in process_ie_result
self.process_info(ie_result)
File "./youtube-dl/youtube_dl/YoutubeDL.py", line 550, in process_info
raise UnavailableVideoError()
UnavailableVideoError

Help me please, thanks for your hard works.

[fredfung]

ff.feng@prod1:~/workspace/youtube-dl$ ./youtube-dl --version
2013.07.23.1

[jaimeMF]

Duplicate of #1105.