1.
Connect your iPod — Connect your iPod then run iTunes.
Warning! If iTunes loads when you plug in your iPod, and is set to automatically sync your entire library (erasing files from your iPod), you MUST stop it — hit the little “X” in the upper right hand corner of the window.
2.
Open your iPod — It should show up on “My Computer” as a “Portable Device”; right click and choose “Open”.
3.
Unhide the files — By default, Windows hides hidden files and folders (thus the name). Go to Folder Options (Control Panel > Appearance and Personalization), and on the View tab, check “Show Hidden Files and Folders”.
4.
Find Music File — The music is stored (in current iPods) in the directory “\iPod_Control\Music”. This may have a lot of odd looking stuff in it — it doesn’t matter; select everything and drag and drop them to a folder on your hard drive.
5.
Configure iTunes — Go into iTunes Preferences, and under the Advanced tab, check “Keep iTunes Music Folder Organized” and “Copy files to iTunes Music Folder when adding to the library” (settings move around a bit between versions of iTunes, but these settings will be there somewhere).
http://www.syncios.com/how-to-backup-ipod-music-to-computer.html
Careful when executing first step
Let me know if this is working?
In the link I have posted there are two alternate ways to transfer the files from ipod to windows
By installing
1)Syncios iPod to PC transfer
2) Ifunbox