Directx error need help

[source]
#include "stdafx.h"
#include <windows.h>
#include <windowsx.h>
#include <d3d9.h>

// define the screen resolution and keyboard macros
#define SCREEN_WIDTH 640
#define SCREEN_HEIGHT 480
#define KEY_DOWN(vk_code) ((GetAsyncKeyState(vk_code) & 0x8000) ? 1 : 0)
#define KEY_UP(vk_code) ((GetAsyncKeyState(vk_code) & 0x8000) ? 0 : 1)

// include the Direct3D Library file
#pragma comment (lib, "d3d9.lib")

// global declarations
LPDIRECT3D9 d3d; // the pointer to our Direct3D interface
LPDIRECT3DDEVICE9 d3ddev; // the pointer to the device class

// function prototypes
void initD3D(HWND hWnd); // sets up and initializes Direct3D
void render_frame(void); // renders a single frame
void cleanD3D(void); // closes Direct3D and releases memory

// the WindowProc function prototype
LRESULT CALLBACK WindowProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);


// the entry point for any Windows program
int WINAPI WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow)
{
HWND hWnd;
WNDCLASSEX wc;

ZeroMemory(&wc, sizeof(WNDCLASSEX));

wc.cbSize = sizeof(WNDCLASSEX);
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = (WNDPROC)WindowProc;
wc.hInstance = hInstance;
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
// wc.hbrBackground = (HBRUSH)COLOR_WINDOW; // not needed any more
wc.lpszClassName = L"WindowClass";

RegisterClassEx(&wc);

hWnd = CreateWindowEx(NULL,
"WindowClass",
"Our Direct3D Program",
WS_EX_TOPMOST | WS_POPUP, // fullscreen values
0, 0, // the starting x and y positions should be 0
SCREEN_WIDTH, SCREEN_HEIGHT, // set the window to 640 x 480
NULL,
NULL,
hInstance,
NULL);

ShowWindow(hWnd, nCmdShow);

// set up and initialize Direct3D
initD3D(hWnd);

// enter the main loop:

MSG msg;

while(TRUE)
{
DWORD starting_point = GetTickCount();

if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
{
if (msg.message == WM_QUIT)
break;

TranslateMessage(&msg);
DispatchMessage(&msg);
}

render_frame();

// check the 'escape' key
if(KEY_DOWN(VK_ESCAPE))
PostMessage(hWnd, WM_DESTROY, 0, 0);

while ((GetTickCount() - starting_point) < 25);
}

// clean up DirectX and COM
cleanD3D();

return msg.wParam;
}


// this is the main message handler for the program
LRESULT CALLBACK WindowProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch(message)
{
case WM_DESTROY:
{
PostQuitMessage(0);
return 0;
} break;
}

return DefWindowProc (hWnd, message, wParam, lParam);
}


// this function initializes and prepares Direct3D for use
void initD3D(HWND hWnd)
{
d3d = Direct3DCreate9(D3D_SDK_VERSION); // create the Direct3D interface

D3DPRESENT_PARAMETERS d3dpp; // create a struct to hold various device information

ZeroMemory(&d3dpp, sizeof(d3dpp)); // clear out the struct for use
d3dpp.Windowed = FALSE; // program fullscreen, not windowed
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD; // discard old frames
d3dpp.hDeviceWindow = hWnd; // set the window to be used by Direct3D
d3dpp.BackBufferFormat = D3DFMT_X8R8G8B8; // set the back buffer format to 32-bit
d3dpp.BackBufferWidth = SCREEN_WIDTH; // set the width of the buffer
d3dpp.BackBufferHeight = SCREEN_HEIGHT; // set the height of the buffer


// create a device class using this information and the info from the d3dpp stuct
d3d->CreateDevice(D3DADAPTER_DEFAULT,
D3DDEVTYPE_HAL,
hWnd,
D3DCREATE_SOFTWARE_VERTEXPROCESSING,
&d3dpp,
&d3ddev);

return;
}


// this is the function used to render a single frame
void render_frame(void)
{
// clear the window to a deep blue
d3ddev->Clear(0, NULL, D3DCLEAR_TARGET, D3DCOLOR_XRGB(0, 40, 100), 1.0f, 0);

d3ddev->BeginScene(); // begins the 3D scene

// do 3D rendering on the back buffer here

d3ddev->EndScene(); // ends the 3D scene

d3ddev->Present(NULL, NULL, NULL, NULL); // displays the created frame on the screen

return;
}


// this is the function that cleans up Direct3D and COM
void cleanD3D(void)
{
d3ddev->Release(); // close and release the 3D device
d3d->Release(); // close and release Direct3D

return;
}
[/source]
I'm getting following error with the above code

Compiling...
DX.cpp
Linking...
..Program FilesMicrosoft DirectX SDK (November 2007)Libx64d3d9.lib : fatal error LNK1113: invalid machine type
Error executing link.exe.

DX.exe - 1 error(s), 0 warning(s)
I have included "lib and include directx directories" in the project.
Pls tell me abt this error and how to correct it.

Any help will be appreciated
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