hi im trying to pair my mobile device samsung infuse 4g to my laptop and i get this error message on my windows 7 computer that says adding this device to this computer failed

add a device

adding this device to this computer failed

adding the device failed resulting in an unknown error. the reported error code is: 0x8007048f

contact your device manufacturer for assistance

warning
to help protect your computer from someone accessing it without permission, only make your computer discoverable when you want a bluetooth device to find your computer. disable the discovery when you no longer need it.

how can i fix device adding errors?