Installing the KB2756872 or KB2770917 using Windows 8 Update can cause the system to hang at 12%, 13%, 14%, 15% preventing the update to install.
Follow these steps to troubleshoot your system and complete the update.

Step 1: Start your com…
http://www.ebrahma.com/2014/03/windows-update-2756872-hangs-at-windows-8/

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