with mad default downscaling settings (they're quite high) or different own ones?(on HTPC OSD stutter, i really need to find why)
yep sounds similar like on my side, mepo on start of something goes to unresponsive blackscreen, madvr errors or sometime its even still loaded with previous file or the right one but unresponsive...D3D device not be able to be set from madVR (need to close MP)