For some reason my left button mouse or my trackpad one or two click on does not open right away. Example When I go Application to pick iWeb, I click once or twice it does not open on my mouse or trackpad. I did open the left button to "Open" and load the iWeb or any other applications. I can not figure out where or what problem was. I checked at trackpad, mouse, else where the setting all seems fine. Can you help me trouble shoot please? It stop working when I upgrade 10.5 to 10.6 OX. Before then It works perfectly, but now for some reason not.