4.17.1
Simply shut off my Beats headset while the editor was open. Play was not active.
I attached my VS 2015 as the debugger and got the below message:
“Unhandled exception at 0x00007FF9A2AD3F09 (XAudio2_7.dll) in UE4Editor.exe: 0xC0000005: Access violation writing location 0x0000000000000000.”