hello.so i need help.i want to connect a bluetooth mic on my pc.i have a bluetooth adapter.but when i connect the adapter to the usb port it doesnt recognise the adapter and in the devices and printers it appears "unknown device"..well i need help.i tryied to install the drivers that came with the usb adapter but during the installation it displayes and error and rolls back the installation..so what can i do ? help me please...;/ i tried everything but it doesnt want to work...