If you are using windows XP for sharing your media folders, you will need to enable the Guest account, and make sure that the folder is shared using the guest account. To share the folder with the guest account please follow these directions;
Enable Windows XP Sharing:
1. Click on the “Start” button and then “Control Panel”.
2. In the “Control Panel”, double-click on “User Accounts”.
3. In User Accounts, click on the “Guest” account.
4. Click on “Turn On the Guest Account”.
The Guest account is now turned on.