For the Windows side is:<br><br>iTunesHelper.exe is a process belinging to Itunes MP3 streaming tool by Apple, which allows you to play MP3's. This process speeds up iTunes when it starts, and the program also monitors for connected iPod devices. This is a non-essential process. Disabling or enabling this is down to user preference<br><br>I think is the same for the Mac.<br><br><br>