Okay, i don.t usually buy songs from iTMS...but i have a couple. I only have one computer, and only use them on that computer. EVERY other time i plug my iPod into the dock, i get the message that tells me some songs were not copied because the computer is not authorized to play them....no problem...i log into the store and authorize it. but then i NEVER deauthorize the computer, and the next time i plug the iPod in, it asks again! and sometimes it tells me when i go to authorize it that there was an error on the system...the ONLY way to fix this is to restart the computer and the re-authorize. It.s ridiculous...anyone know what is the matter? i tried the things i know, like fixing permissions et al....i.m clueless?! Thanks, Christien.