I have been trying to move a large group of files , photos, mp3, movies, documents onto a backup drive. First I tried my ipod. Nope. Over my network. Nope. Over to a brand new 300 gb usb drive . nope. I keep getting a code 36 operation can't be completed on a bunch of randomm files that all work fine. it then doens't even let me skip over the file and keep copying it just stops.