Did they change the "Compatibility" tab in the SH3.exe or SH4.exe "Properties" page? They've done that before, where they dropped support for Windows XP SP2 a while back, and if you had that as a Compatibility setting, it just resorted back to having nothing set, even though they changed it to "SP3". It probably is a display setting thing though, but in the Windows code. You could try to re-install DirectX9c and see if that helps any. Microsoft does NOT like the word "legacy" or anything associated with it. They mess with old firewire audio interfaces like this all of the time, to where if you have a "Legacy Driver" chosen for your LM16 box, Win10 will re-set it to the "new-improved" Windows driver during "updates", and then your firewire device won't work anymore, until you set it back to the "Legacy Driver"... Good luck in dealing with it. Let us know how it goes. Maybe THEBERBSTER has something already?