W e have a Mac computer. Recently downloaded photos from trip and was editing them when the screen got fuzzy wierd in "blocks" of screen, then was fine later but the open photo kept blinking rapidly and i couldn't close iphoto. then iphoto on the dock disappeared. I cannot open iphoto from anywhere. I can see my pics are still in there but can't edit or open them. Downloaded a few pics off of my phone to see if that would open it but didn't. PLEASE HELP! iphoto is the most important thing on our computer to us!