Unable to download opencv 2.4.10

[StevenLOL]

Ubuntu 14.04

Error message:

Connecting to sourceforge.net (sourceforge.net)|54.239.152.188|:80... connected.
HTTP request sent, awaiting response... 302 Moved Temporarily
Location: http://sourceforge.net/#!/projects/opencvlibrary/files/opencv-unix/2.4.10/opencv-2.4.10.zip/download [following]
--2014-12-04 10:26:56-- http://sourceforge.net/
Reusing existing connection to sourceforge.net:80.
HTTP request sent, awaiting response... 200 OK
Length: 635 [text/html]
Saving to: ‘opencv-2.4.10.zip’

100%[======================================>] 635 --.-K/s in 0s

2014-12-04 10:26:56 (55.9 MB/s) - ‘opencv-2.4.10.zip’ saved [635/635]

--- Installing OpenCV 2.4.10
opencv-2.4.10.zip
Archive: opencv-2.4.10.zip
End-of-central-directory signature not found. Either this file is not
a zipfile, or it constitutes one disk of a multi-part archive. In the
latter case the central directory and zipfile comment will be found on
the last disk(s) of this archive.
unzip: cannot find zipfile directory in one of opencv-2.4.10.zip or
opencv-2.4.10.zip.zip, and cannot find opencv-2.4.10.zip.ZIP, period.

[StevenLOL]

It may caused by sourceforge.net at that time their server is not stable.