MovieClip base Class not found

Hi all,

I have a Actionscript base class already created but when i type in the location for it i get back the file cant be found error.

This is the url for my code

game\games\mygame\utility\keybinderChanger

Now i have tried it without the as3 format but it just seem to find this file

Why cant i find it seems easy can anyone help me out here?

Thanks,William