The thread called "iTunes 2.0.3!!" had a response to your question -- I don't remember it exactly but I think it had to do with an updated iPod kernel device driver or something.
Ever since I downloaded it I've been having the weirdest pain-in-the-ass problem: iTunes keeps creating these damn "iTunes Temp" files ("iTunes Temp", "iTunes Temp 1", "iTunes Temp 2", . . . "iTunes Temp 98") every time I load iTunes. Coincidentally, these mysterious Temp files (one created each time I load the app) are the *EXACT* same size as my "iTunes Music Library (2)" file. One time, I tried deleting this file and renaming one of the Temp files iTunes Music Library (2) and--wadda ya know--it still shows my library! So, for some reason iTunes now keeps creating this file over and over (it's 2.1 MB so the folder gets bloated in no time and I have to keep dumping them). What the f@#k?? Help me Obe-Won, you're my only hope!