If you have a computer that is running Windows 8 or Windows Server 2012 with Realtek Audio driver installed and you try to install the Windows 8 Client and Windows Server 2012 General Availability Cumulative Update from Windows Update on the computer, but find that on restart, Windows Update stops at 13 percent during the "Configuring Windows Updates" step and you receive the following error message:

Failure configuring Windows updates.

In this case you can download and apply the hotfix mentioned in KB2770816.