chucky: Loading configuration failed
As others have stated you cannot use the Beo5/Beo6 Configuration Tool on a 64 bit machine.
The Beo6 uses different firmware loaded into it and ONLY version 4.11 comes with this firmware Version 1.0
With the Beo6 on to the base and the USB cable connected to your PC, in the download section of the Configuration Tool, if the "Download" button is NOT greyed out, then your problem is NOT the USB driver.
Assuming the "Download" button is NOT greyed out, then the most likely cause of the "Loading Configuration Failed" error will be problem in your configuration.xml file.
To prove the point, save your "Configuration.XML" and/or create a new configuration with a dummy serial number with something very basic in the configuration and download again. If it works, then you know the problem is with your configuration file.