class Program
{
    public static void Main(string[] args)
    {
        //Enables Visual Styles
        Application.EnableVisualStyles();
 
        //Set default
        Application.SetCompatibleTextRenderingDefault(false);
 
        //Add event handller for Application Thread
        Application.ThreadException += new ThreadExceptionEventHandler(MyApplication_ThreadException);
 
        //Add event handler for Current domain 
        AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(MyCurrentDomain_UnhandledException);
 
        //Start application
        Application.Run(new Form1());
    }
 
    static void MyApplication_ThreadException(object sender, ThreadExceptionEventArgs ex)
    {
        MessageBox.Show(ex.Exception.Message, "Unhandled Thread Exception");
    }
 
    static void MyCurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs ex)
    {
        MessageBox.Show((ex.ExceptionObject as Exception).Message, "Unhandled UI Exception");
    }
}