* * * E R R O R ! * * *
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Error: GL_EXT_vertex_array extension not supported by the driver
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* * * E R R O R ! * * *
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Error: GetProcAddress for vertex extension failed

I'm trying to run a game that worked on my old computer with Windows ME. When I install and run it on my new one with Vista, I get the error message I copied above. What can I do? I changed all the compatibility settings, but nothing would even open it. Thanks.