Or *mumble mumble*


if(result > 99999)
{
exit(1);
}

Okay I'm out of my league hear, but this sounds similar to your problem.

http://social.msdn.microsoft.com/Forums/en-US/vbgeneral/thread/603b02f1-754d-4298-b7fa-fe4203c0ab81/

Well if I remember correctly the Console.Beep is part of the system namespace. So you might want to research the system namespace, which could be causing the BEEP that you are hearing.

I'm not sure if this will work, but try


while(keywords>>keyword != NULL)