Cannot delete tracks on my Philips audio player

Music tracks may be deleted simply via Windows Explorer or following the steps below via Musicmatch� Jukebox. 1. Connect the PSA player to your computer. 2. Run MUSICMATCH� JUKEBOX. 3. Go to the File menu and choose Send to Device. Select Download Playlist to Nike PSA[xx] Player. A Window will open. 4. Select the file that you wish to delete from the memory of the player on the right window under Portable Device Memory. 5. Click the “X” in the top right hand corner of the window.