This update has been removed from the Download Center because of an issue with the update. Microsoft is researching this problem and will post more information in this article when the information becomes available. We recommend that customers who are experiencing issues with this update uninstall this update. To do this, follow these steps:
Click Start, click Control Panel, click Programs and Features, and then click View installed updates.
Select "Security update for Microsoft Windows (KB2949927)" and then click Uninstall.