Perfect!! I change the declaration of the client for this: Dim bc As BluetoothClient And add bc=new BluetoothClient before connect. Thanks a lot!!

Now i activate and diactivate the bluetooth. But i have another problem, when i connect then disconnect and try to connect a second time, doesnt matter witch bluetoothdevice i got the error: InTheHand.Net.Sockets.BluetootClient My code for connect: If br.PrimaryRadio.Mode = RadioMode.PowerOff Then Try...