Article ID: 2144672 - View products that this article applies to.
Microsoft's in-the-box VC-1 video encoder in Windows 7 does not utilize all cores to achieve optimal video performance during video playback and editing.
Microsoft is aware that this is a known issue for all versions of Windows 7 and is working on it for a future release.
(http://go.microsoft.com/fwlink/?LinkId=151500)for other considerations.
Article ID: 2144672 - Last Review: July 7, 2010 - Revision: 1.1