Available from here: logitech.com

Read more for changelog....

Changes in the Logitech SetPoint 1.04 Update:

* Added "Generic button" function for middle, back and forward buttons.
* Added support for additional media players: Windows Media Center, MusicMatch 8.1, RealOne Rhapsody, WinAMP, Apple iTunes, PowerDVD, WinDVD.
* Media button on the MediaPad can now be assigned independently from the Media button on the keyboard.
* Improved Logitech Connection wizard.
* Fixed uninstall issue after installing SetPoint 1.03 Update
* Fixed Back/Forward buttons issues on systems with multiple browsers.

If you are using the Logitech Media Desktop, please download the Media Desktop Update as well.