so my ipod won't connect with my itnues.

my ipod and itunes will not synce together, everytime i connect my ipod to my computer a message pops up saying 'ipod has been detected but could not be idetified properly. disconnect and reconnect ipod then try again.' 'if problem persist uninstall and reinstall itunes.' i have already done this almost twenty times and everytime the same message pops up. i don't know what to do anymore, anyone have suggestions?