Code 309, Code 319, Code 320: You need iTunes application properly installed to perform this operation.
From SoundTaxi
Why do I receive "You need iTunes application properly installed to perform this operation" error?
You can see the above error message if your iTunes is not correctly installed or perhaps you are using the old iTunes version.
How to fix "You need iTunes application properly installed to perform this operation" error?
To fix this problem, please download the latest iTunes version: http://www.apple.com/downloads
And be sure your are running the latest SoundTaxi version.
