the error is

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POSTAL 2 Build Jul 15 2017 16:49:24

OS: Windows NT 6.2 (Build: 9200)
CPU: GenuineIntel PentiumPro-class processor @ 3203 MHz with 4095MB RAM
Video: NVIDIA GeForce GTX 950 (8813)
Level: Startup - Untitled

General protection fault!

History: UD3DRenderDevice::SetRes <- UWindowsViewport::TryRenderDevice <- UWindowsViewport::OpenWindow <- UGameEngine::Init <- InitEngine