I think I have the solution, just set autoplay in the "Default Programs > Change Autoplay Settings > Take No Actions". I'm sure lots of folks already know this... I didn't and maybe someone else can...

I recently bought the TP-Link USB Bluetooth Adapter, UB400. Using it with Windows 7 (with the TP-Link driver) on a Dell USFF Optiplex 7010. It works nicely with my LG G6 phone as well as my Mac Mini...