Label1.Text = "I'm a label".

static class Program
{
    static void Main(String[] args)
    {
        FormUpdate frmUpdate = new FormUpdate();

        Application.EnableVisualStyles();
        Application.SetCompatibleTextRenderingDefault(false);
        Application.Run(frmUpdate);

        // Why isn't this a suitable way of getting the label?
        frmUpdate.label1.Text = "I cause an error!";
    }
}