Image Search Problems

Hello,

I recently followed the following Image Search tutorial;

I followed it to the letter, using the iTunes logo on my desktop as the picture. But, after finishing and pressing the hotkey, the macro does nothing. I have the ImageSearch.au3 in the folder as well as the DLL and picture of the icon. Here is my code;


Any help as to why this is not working would be greatly appreciated. I have tried turning the transparency up, but had no luck. Thanks!