Bluetooth can be very touchy, and crossing drivers mess up alot things. remember to remove older bluetooth driver/software.
for RF-MRBTAD users, http://www.broadcom.com/support/bluetooth/update.php
They don't use proprietary drivers. any Proprietary Bluetooth Drivers will need to be removed, and resinstall Broadcom's overall all in 1 package setup,
sample 1: motionjoy, DO NOT BOTHER, voiding perpuse of device
sample 2: have a third party bluetooth (asus) will fight and screw with eath other Bluetooth Peripheral Device