After you install each of these, restart your computer, and you will have the latest versions of the Pen Software and Touch Panel Driver.
If you need to completely remove the software and re-install it, go into the add or remove programs section of the control panel
Uninstall the Sharp Pen Software
Before you move on to the next step you will need to Exit the Settings Tool. To do this, click on the rectangular maroon icon in the lower right corner, then click Exit.
Uninstall the Touch Panel Driver
After they have both been uninstalled, restart the computer.
After these have both been re-installed, restart the computer, then everything should work as expected.