Lacy Kyle emitted a stream of electrons translating into this: > had got one of his 'Dorling Kindersley > Play and Learn' CD's in the drive. It's a classic app but not running > or anything. I didn't really pay much attention to it, I have ejected > the disc and my machine has been running for the past 40 minutes or so > without a hiccup. Is it possible that the disc being in there could > cause the problem? would the cube access the disc for no reason at all > while the machine is up and running and cause it to hang? Yes I too had issues with a bad CD - the MacOS X was very slow and frozen when it tried to read bad audio tracks (in iTunes 3) -- Size matters. Xserve™ from Apple.