# DX11 DirectX SDK DX10/DX11 Sample tutorials keep crashing?

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Hi guys.

I have encountered a problem when i was trying to compile and run one of microsoft's DirectX 10/11 tutorials which are located in: C:\Program Files (x86)\Microsoft DirectX SDK (June 2010)\Samples\C++. I am on a 64 bit machine but i am developing for 32 bit.

The DX9 Tutorials work fine and have no problem, its just the DX10/11 Tutorials. After Tutorial 0 which shows you how to create a window, the other tutorial which initializes D3D, opens for a while and immediately closes. In other Tutorials the same happens and i also sometimes get the "failed to create D3D device!" error.

I noticed that i also get this error in VS 2010 Output log :

First-chance exception at 0x7721c41f in Tutorial01.exe: Microsoft C++ exception: _com_error at memory location 0x0034f04c..
First-chance exception at 0x7721c41f in Tutorial01.exe: Microsoft C++ exception: _com_error at memory location 0x0034f04c..


I just started learning DirectX and i do not know what this error means.

These are the additional Dependecies in their samples:

d3d10.lib
d3dx10d.lib
d3dx9d.lib
dxerr.lib
dxguid.lib
winmm.lib
comctl32.lib


On VS 2010 i am running on Debug as well. If anyone could help i would appreciate it a lot.

My graphics card is a Nvidia Geforce 660 GTX which is a DX11 Class card so i do not think it is hardware related.

Edited by DragonBooster

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If you have the Windows SDK 8.x installed, be sure you are not mixing the legacy SDK with the windows 8.x SDK (which also contain the DirectX libraries and headers).

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Currently the platform toolset i have set in VS 2010 is Windows 7.1 SDK. i am using the DirectX June Sdk 2010 so which Windows SDK do i use DirectX 10/11 with?

Edited by DragonBooster

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indows sdk  7.x should work fine with directx sdk.

It could be a driver bug, I can run every single sample of the legacy dx sdk under my pc (W8.1 x64, amd radeon hd 6900 series cayman).

Do you have a dual gfx system (ie: igp + 660 gtx)? Be sure you are running those samples with the nvidia card.

EDIT: be sure you installed the "Direct X Debug Runtime". If not, re-install the legacy DirectX SDK and check for debug runtimes.

Edited by Alessio1989

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Thanks, i will try that and i am running on my Nvidia GTX 660 and not on IGP.

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How do i install the Debug Runtime? I Unistalled and installed the SDK twice and i still dont have the debug runtime.

Edited by DragonBooster

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When installing the DirectX SDK, you can choose what components to install. If you select all components, you will install the debug runtimes too.

Thanks.

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