flashing console every time I start up my program

[doozer45]

I am working on a program that calls an .exe. When ever I run the application I get a console window flashing every time I start the my program. What I would like to do is to open the .exe without flashing the window.

here is what I have for my WinMain:
INT WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSR lpCmdLine, int nCmdShow)

Thank you