How to Fix : Adobe Flash Player 9 - Where is the debugger or host application running?

Sometimes when i visited a website/blog, then scrolled about 2/3 of the way down the page a dialog box appeared in the top right of my screen that said "where is the local debugger or local host application running?" :

Adobe Flash Player 9
Where is the debugger or host application running?
o Localhost
o Other Machine
Enter IP Address: