NotifyIcon Balloon problem!

Question

Problem with code:


m_notifyIcon.BalloonTipText = "The app has been minimised. Click the tray icon to show.";
m_notifyIcon.BalloonTipTitle = "The App";
m_notifyIcon.ShowBalloonTip(2000);


Error: 
http://s1120.photobucket.com/user/hjkromeo/media/Error.png.html


Project:
http://www.mediafire.com/?ut96x02s379rxfk


Please help me!