DirectX 8.1 Potential Issues in Games That Use Software Vertex Processing

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Article ID: 321178 - View products that this article applies to.
This article was previously published under Q321178
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Under very rare circumstances, games that use the Software Fixed Function Transform and Lighting functionality in DirectX 8.1 may stop responding (hang) while you play a game.


This issue occurs when a minor problem in the Direct3D DrawIndexedPrimitive function is experienced. This problem prevents Direct3D from continuing or from displaying an error message.


To resolve this problem, obtain the latest service pack for Windows XP. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
322389 How to Obtain the Latest Windows XP Service Pack


Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows XP Service Pack 1.


It is unlikely that you will experience this issue because games that have been identified as potentially having this issue already include the fix.


Article ID: 321178 - Last Review: October 27, 2006 - Revision: 1.3
  • Microsoft Windows XP Home Edition
  • Microsoft Windows XP Professional
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