550 File not found and 450 can't access file error

Hello, I've got some trouble transferring some music to mine X-box. Most of my music is transfered to my X-box with no problem. But some files give an error. I've searched the Forum but I can't find nothing that can solve my problem. I've tried some configurations but they didn't work.

Here is a piece of my log:
I removed the IP's and ports not everyone needs to know.

257 "/F:/Music/Recordings" is current directory.
SIZE A tribe called quest - Keeping It Moving.wma
550 File not found
Compression disabled for private IP addresses.
PORT
200 Port command successful
STOR A tribe called quest - Keeping It Moving.wma
150 Opening data channel for file transfer.
De externe host heeft een verbinding verbroken.
8192 bytes transferred. (266 kB/s) (30 ms)
450 can't access file.
Compression disabled for private IP addresses.
PORT
200 Port command successful
LIST -aL
150 Opening data channel for directory list.
226- Free space: [C: 491.91 MB] [E: 4.18 GB] [F: 102.29 GB]
226 Transfer OK
46484 bytes transferred. (1,10 MB/s) (40 ms)
Transfer successful.
SIZE A tribe called quest - Keeping It Moving.wma
550 File not found
Compression disabled for private IP addresses.
PASV
227 Entering Passive Mode
Opening data connection to Port:
STOR A tribe called quest - Keeping It Moving.wma
150 Connection accepted
450 can't access file.
De externe host heeft een verbinding verbroken.
12288 bytes transferred. (400 kB/s) (30 ms)
Compression disabled for private IP addresses.