Shoutbox

I set a birthday reminder on task schedular and i set it to show notification every year... it showed the notification on the time what i had set for that.. but the problem is when it notify me then i clicked on to cancel the snooze and not to show the alert again.. but after few minutes it comes again and again....
i also checked it for other cycles like every day, every week, every month, every year but the problem i get is when i set the cycle to every month and every year...
and i have to remove it from task schedular window to get rid from again n again notification window...
does anyone else got this problem.. ??