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ID3D10Device creation failure in release mode

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My ID3D10Device creation works fine in debug mode but I throws an error in release mode:


DXGI_SWAP_CHAIN_DESC scDesc;
scDesc.BufferDesc.Width = desc.width;
scDesc.BufferDesc.Height = desc.height;
scDesc.BufferDesc.RefreshRate.Numerator = 60;
scDesc.BufferDesc.RefreshRate.Denominator = 1;
scDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
scDesc.BufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
scDesc.BufferDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED;

scDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
scDesc.BufferCount = 1;
scDesc.OutputWindow = desc.hWnd;
scDesc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
scDesc.Flags = 0;

scDesc.Windowed = true;
scDesc.SampleDesc.Count = desc.sampleCount;
scDesc.SampleDesc.Quality = desc.sampleQuality;

// Create the device.
UINT createDeviceFlags = 0;
#if defined(DEBUG) || defined(_DEBUG)
createDeviceFlags |= D3D10_CREATE_DEVICE_DEBUG;
#endif

HRESULT hr;
hr = D3D10CreateDeviceAndSwapChain(
nullptr,
D3D10_DRIVER_TYPE_HARDWARE,
NULL,
createDeviceFlags,
D3D10_SDK_VERSION,
&scDesc,
&g_Renderer.m_DxCore.pSwapChain,
&g_Renderer.m_DxCore.pDevice);


//////RUNTIME ERROR HANDLING
if(FAILED(hr)) {
throw std::runtime_error("ERROR: Failed to create ID3D10Device and IDXGISwapChain");
}


I've already checked each of these options, but none of it triggers.
http://msdn.microsoft.com/en-us/library/windows/desktop/bb205278(v=vs.85).aspx

The value of the hr seems to be -2005270527, after checking it with std::cout<<hr
My debugger also can't show the value of hr when hovering over it, for some reason. :(

What could the problem possibly be?

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