Overview
This DVD5 ISO image file contains the security updates for Windows released on Windows Update on March 11th, 2011. The image does not contain security updates for other Microsoft products. This DVD5 ISO image is intended for administrators that need to download multiple individual language versions of each security update and that do not use an automated solution such as Windows Server Update Services (WSUS). You can use this ISO image to download multiple updates in all languages at the same time.
Important: Be sure to check the individual security bulletins at http://www.microsoft.com/technet/security prior to deployment of these updates to ensure that the files have not been updated at a later date.
Read more: MS Download