Try with the Toshiba bluetooth stack. From what i read, it is the best.
You can download it from:
http://aps2.toshiba-tro.de/bluetooth/?page=download
It is only a 30 days demo, use it to test if everything else is working fine.
You can download it from:
http://aps2.toshiba-tro.de/bluetooth/?page=download
It is only a 30 days demo, use it to test if everything else is working fine.