many users have the same problem i see, reading many posts on other sites :/ i have a sony walkman player NW-E003, don't have the installation CD. when i connect it to my PC, the PC don't recignize it. it does not show in my computer as a flash drive, it doesnt show as a new hardware device either. i tried sony sonicstage 3.3 and 4.3 versions, and it's able only to write a CD, the player is not connected. it only charges up throught USB. the usb connection at my pc is fine, other hardware work perfectly. player too seems to be working.. whats the problem and how can i resolve it? please help.