Hi, my WMP12 in Windows 7 RTM can't render H264/AVC(avi) with DXVA. I'm using ATI HD4850(installed updated catalyst 9.7) VC-1(wmv) file rendered DXVA in MPC-HC normally(with MPCVideoDec DXVA). But WMP12 NOT. I already check my WMP12 option about enabled DXVA..