Bluetooth - Zugriff verweigert beim Aktivieren der seriellen Verbindung

Go to Start→Run and type in „services.msc“ and click OK

Find „Bluetooth Support Service“ in the list of services and double click to open the properties window

Click on the „Log On“ tab and select „Local System Account“ for „Log on as:“

Click Apply and OK

Right click on „Bluetooth Support Service“ and select stop then right click on „Bluetooth Support Service“ again and select start

You may need to reconnect your bluetooth devices; everything should be working now.