General protection fault!

History: FD3DTexture::Cache <- UD3DRenderDevice::CacheTexture <- UD3DRenderDevice::PrimeResources <- UD3DRenderDevice::SetRes <- UWindowsViewport::TryRenderDevice <- UWindowsViewport::OpenWindow <- UGameEngine::Init <- InitEngine

好像上次有人问过，我还是不知道怎么解决~
请指点，谢谢。