Thread: reading and writing to files

im trying to make this game trainer but when i try and write/read files outside the folder where the .exe it wont compile
i get all these errors like

24 C:\Documents and Settings\wmorrish\Desktop\New Folder\main.cpp:7 [Warning] unknown escape sequence '\D'

Code:

#include <iostream>
#include <fstream>
using namespace std;
int main()
{
    string data;
    ifstream open_file("C:\Documents and Settings\wmorrish\Desktop\New Folder\new", ios::in);
    getline(open_file, data);
}