The current Adobe Shockwave Player does not properly detect the graphics hardware under Windows Vista. To correct this, right-click on the above applet and select 3D Renderer -> Always Use Hardware - DirectX 7, as shown below. Disregard the warning message, and click OK. This will force the Shockwave Player to use hardware acceleration for all Shockwave3D applications.
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Adobe Director and Shockwave Player Support FAQ
Adobe Shockwave Player Download Center