json deserialize into object list

gistfile1.cs

/* -- EXAMPLE JSON
[
  {"boxID":1,"boxName":"testname","boxPath":"D:\\Web\\jamie\\Vagrantfile","boxStatus":false},
  {"boxID":2,"boxName":"anotherbox","boxPath":"D:\\Web\\jamie\\Vagrantfile","boxStatus":false}
]
*/

// My current method

public static void loadSettings()
{
    var json = Properties.Settings.Default.Boxes;
    var jsonSerialiser = new JavaScriptSerializer();
    // Tried this which did not work, threw InvalidOperationException
    // MainWindow.vagrantBoxList = jsonSerialiser.Deserialize<BoxList>(json);
}

// BoxList.cs
[Serializable()]
public class BoxList
{
    public int id = 0;
    public List<Box> list { get; set; }
    public void AddBox(Box Box)
    {
        list.Add(Box);
        Program.mainWindow.RefreshMenu();
    }
    public IEnumerator<Box> GetEnumerator()
    {
        return list.GetEnumerator();
    }
}
 
// Box.cs
 
public class Box
{
  public int boxID;
  public String boxName, boxPath;
  public Boolean boxStatus
  {
      get;
      set;
  }

  public Box(int id, String name, String path, Boolean status)
  {
      boxID = id;
      boxName = name;
      boxPath = path;
      boxStatus = status;
  }
}