my running c++ baclground : i've re installed my dev c++ and now i have problem that when i run the app of this simple code:

    #include <iostream>
    #include <conio.h>
    using namespace std;
    int main()
    {
	cout<<"hi mateen";
	return 0;
    }
it shows me this:
[![enter image description here][1]][1]


how can i delete this?it wasnt showing before alwaays used to use

    getche()
but even when i use

    return 0;
the problem is still the same.

thanks


  [1]: http://i.stack.imgur.com/GNvTn.png