The d3dpoly.dll file is a software Direct 3D Polygon drawing dynamic link library for 3DMA created by DMA Design Ltd. DMA Design Ltd is now Rockstar North Ltd. It creates video games such as Lemmings and Grand Theft Auto. This is a core Direct3D library file that allows 3-dimensional images to be drawn as part of a video game. An error with this file has the potential to disable any game that is using it as part of its graphics display. You should consider cleaning your registry to solve this problem.
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