Grub does not boot Windows 8

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http://ubuntuforums.org – Greetings! Recently i've installed Ubuntu on my laptop with pre-installed Windows 8. Initially grub couldn't see windows at all, so i uset guide from this thread (http://ubuntuforums.org/showthread.php?t=2085530) posted by oldfred. Now windows 8 appears at grub os selection list, but when i choose it, grub screen reloads and nothing happens. Whei i tried to run the same command from grub terminal, i got this message: (https://www.dropbox.com/s/prl2338wo64416q/IMAG0461.jpg). Can comeone tell me what's the problem with, and how to solve it? Thanks. p.s. Sorry for bad English, it's not my native (Hardware)