Can't Cannot open precompiled header file: 'Debug\test4.pch': No such file or directo

[mloonjin]

I use the Visual C++ 2005 Express beta2.
and here is a simple program i have writed:

#include "stdafx.h"
#include <iostream>
uing namespace std;
using namespace System;

int main(array<System::String ^> ^args)
{
    cout<<"success!";
	Console::WriteLine(L"Hello World");
    return 0;
}

//-----------------------------------------------------------------
but it alaways tell me the error information
fatal error C1083: Cannot open precompiled header file: 'Debug\test4.pch': No such file or directory

that's why?who know that.