Vista premium,New install-4 Gb ram-Nvidea GeForce 8500 GT video card-500Gb HD.Asus M2N-SLI DELUXE Motherboard.AMD Athlon 64X2 Dual-Core Processor. When I Minamize -shutdown MCE the screne goes blank and I cannot get back to Vista without rebooting.Only way is to go to task maneger and use end program.Everything in MCE runs fine.