Some people are reporting an issue with iTunes 10 in which the screensaver starts while they are using iTunes' visualizer in full-screen mode on connected devices like HDTVs. Prior to iTunes 10, the ...

Some users report that the iTunes Visualizer is non-functional or operates extremely slowly after the 4.9 update: One reader writes: "I downloaded iTunes 4.9 today. After installing and restarting I ...

Since its very first version, iTunes has had a visualizer, a built-in light show that you can use to play trippy animations while you listen to music. (Grateful Dead music not required.) You may not ...