I just noticed this same update is repeating today in updates:
"" Update for Windows 7 for x64-based Systems (KB976902)
Download size: 10.2 MB
You may need to restart your computer for this update to take effect.
Update type: Important
Install this update to enable future updates to install successfully on all editions of Windows 7 or Windows Server 2008 R2. This update may be required before selected future updates can be installed. After you install this item, it cannot be removed.
Help and Support:
I downloaded it last time without thinking much about it until I saw this post and some discussions, and now they want me to download it again.