Why did the TAB key stop working on my Creative Keyboard?

We have sold 2 Velocity Micro branded Creative keyboards, model KUT1 and KUT2. When configured at the factory, only the drivers are isntalled for these keyboards. The Creative Spectre software is provided to control the additional features of the KUT2 keyboard, specifically the programmable gaming keys along the top left.

This software is designed for use on 32-bit systems and has an unintended effect if installed on 64-bit systems. Specifically, the tab key only works if the Creative keyboard control panel application is also running. For this reason, it is recommended that users do not install the Creative Spectre software if running Vista 64-bit or Windows 7 64-bit.