Windows 7 bluetooth audio suddenly not working after Windows update

Question

Windows 7 64 bits Bluetooth audio worked fine but suddenly not working after Windows update on June / July 2016.

The listen to music is not clickable in Devices and printers

Answer 1

This is intel compatibility issue on Microsoft KB 3161608/3172605 updates on June / July 2016. More information please check this link

New intel PROset/bluetooth driver

Credit to: Aur Saraf's comment from this question