Windows system software, starting with Windows 8, that interfaces with networked devices. For example, a Device Association Framework (DAF) for Universal Plug and Play (UPnP) is used to stream media across the network and is implemented as the DAFUPNP.DLL in the Windows system folder.
So User Friendly
Getting a message like this on your smartphone for the first time is a bit startling. Which is worse... this or the one below? See FDSSDP