A system with this build was demoed at PDC 2003, showcasing the power of the Desktop Composition Engine. 1)xBetas@PDC – Longhorn DCE Demo This system was accompanied by a system running build 4015 which was seen before at WinHEC 2003. Beside the two images released by xBetas a third image surfaced. This third image was initially misnamed as if it originated from build 4028.
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