Unfortunately, I'm apparently not enough of a "tech enthusiast" either, and can't help with your specific issue, but I can commiserate. I have an AppleTV that has a slideshow screensaver that loads photos from iTunes and shows them on the TV. When the screensaver turned on, my media HDD (all programs including iTunes on a SSD) would just get thrashed the entire time. Long story short, iTunes is a terribly written program. They keep adding features but have trouble getting the existing bits to work. I like the interface and the AppleTV has very high WAF, but otherwise it's a turd of code.