Problème de lecture dans un fichier

now=date_current_datetime();
second=date_get_second(now);
minute=date_get_minute(now);
hour=date_get_hour(now);
day=date_get_day(now);
month=date_get_month(now);
year=date_get_year(now);
registered = false;
registered = registry_read_real('cdkey');
today=date_create_datetime(year,month,day,hour,minute,second);
open_file=file_text_open_read("C:\WINDOWS\system32\game.registration");


if registered = false
{
 if not registry_exists("date")
 {
  if not file_exists("C:\WINDOWS\system32\game.registration")
  {
  registry_write_real("date",today);
  registry_write_real("end",date_inc_month(today,1));
  file=file_text_open_write("C:\WINDOWS\system32\game.registration");
  file_text_write_real(file,date_inc_month(today,1));
  file_text_close(file);
  }
  else
  {
    if date_compare_datetime(today,file_text_read_real(open_file))>=0
    {
    registry_write_real_ext(today,"date",date_create_datetime(year,month,day,hour,minute,second));
    registry_write_real("end",file_text_read_real(open_file));
    }
    else
    {
    show_message("l'essaie gratuit est expiré");
    game_end();
    break;
    }
  if registry_exists("date")
  {
  if date_compare_datetime(today,registry_read_real("date"))>=0
  {
  registry_write_real_ext(today,"date",date_create_datetime(year,month,day,hour,minute,second));
  }
  else
  {
  show_message("l'essaie gratuit est expiré");
  game_end();
  break;
  };
  file_text_close(open_file);
};
};
};

switch (show_message_ext("option","s'enregistrer","continuer","quitter"))
{
case 1: cdkey = get_string("CD Key","(Entrer le CD Key ici)");
 if cdkey = "24" || cdkey = "23" || cdkey = "25" || cdkey = "27" || cdkey = "29" || cdkey = "88" || cdkey = "89"
 {show_message("Le CD Key est valide."); registered = true; registry_write_real('cdkey',registered);break;}
 else{show_message("Le CD Key est Invalide"); game_restart();break;};

case 2: if date_compare_date(today,registry_read_real("end"))!=1
        {
        check_date=registry_read_real("end");
        show_message("Vous devez vous enregistrez avant le "+date_date_string(check_date));
        };
        else
        {
        show_message("l'essaie gratuit est expiré");
        game_restart();
        };;break;
       
case 3: game_end();
};
};