Registry error

Kode 

#include <windows.h>
#include <iostream>

int main(void)
{
   HKEY hKey;
   // First write
   char SomeString[] = "Some String";
   if(RegCreateKeyEx(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Windows\\CurrentVersion\\Pop", 0, 0, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, 0, &hKey, 0) == ERROR_SUCCESS)
   {
      RegSetValueEx(hKey, "NetS", 0, REG_SZ, (BYTE *)SomeString, strlen(SomeString) + 1);
      std::cout << "Did write value" << std::endl;
   }
   else
   {
      std::cout << "Failed to write value" << std::endl;
   }
   RegCloseKey(hKey);

   // Then read
   if(RegOpenKey(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Windows\\CurrentVersion\\Pop", &hKey) == ERROR_SUCCESS)
   {
      char Buffer[1024] = "";
      DWORD Size = sizeof(Buffer);
      DWORD Type = REG_SZ;
      RegQueryValueEx(hKey, "NetS", 0, &Type, (BYTE *)Buffer, &Size);
      std::cout << "Read: " << Buffer << std::endl;
   }
   else
   {
      std::cout << "Failed to read value" << std::endl;
   }
   RegCloseKey(hKey);
   return 0;
}