Filed under: Desktops, Laptops, NetworkingIt looks like Vista users that have noticed a slowdown in network traffic while they were playing music weren't imagining things, as Windows expert Mark Russinovich has reportedly confirmed that such a bug does indeed exist. According to PC World, the problem is confined to systems with multiple network interfaces (like both wired and wireless connections), and is only noticeable on a high-speed local network, not when you're on the Internet. Apparently, the bug lies in