When I use the WMC-multi-tool, and press 9 for reset playready, it says file cannot be found. I have a Win 7 WMC machine and a Win 10 1511 .... I got Windows 7 x64 Home Premium installed, installed all. ... Liked: 19. I had a problem with Playready when I first set up MCE. ... and then click Run as administrator to reset the Windows Media DRM and Zune DRM systems. windows media center reset play..