He hecho un pequeño programa en el que hago uso de las funciones de windows el codigo es el siguiente.
#include <iostream>
#include <windows.h>
#include "resource.h"
using namespace std;
int main()
{
string exe = "ELEXE";
HRSRC res=FindResource(NULL,exe.c_str(),RT_RCDATA);
if(res==NULL)
cout << GetLastError();
cout << "\n";
int size=SizeofResource(NULL,res);
if( !size )
cout << 122; // Arbitrario. -> ERROR_INSUFFICIENT_BUFFER
cout << "\n";
HGLOBAL hRes=LoadResource(NULL,res);
if( !hRes )
cout << 122; // Arbitrario. -> ERROR_INSUFFICIENT_BUFFER
cout << "\n";
unsigned char *pRes=(unsigned char *)LockResource(hRes);
HANDLE hFile=CreateFile("C:/Users/android/Desktop/pi.exe",GENERIC_WRITE,0,NULL,CREATE_ALWAYS,0,NULL);
if(hFile==INVALID_HANDLE_VALUE)
cout << GetLastError();
cout << "\n";
DWORD bytesWritten = size;
WriteFile(hFile,pRes,size,&bytesWritten,NULL);
if( !WriteFile(hFile,pRes,size,&bytesWritten,NULL) )
cout << GetLastError();
cout << "\n";
CloseHandle(hFile);
ShellExecute(HWND_DESKTOP,NULL,"C:/Users/android/Desktop/pi.exe",NULL,NULL,SW_SHOWNORMAL);
system("pause");
return 0;
}