Yeah I'm having the same problem I recently upgraded to windows 8 and installed the driver for the intensity pro. After I restarted my PC, turned on my xbox 360, and opened up media express and the screen was black(in the first tab of the preview window). So I went into the settings and tried out all of the settings even though I usually use 720p 59.940. It didn't work so I went to my contol panel and opened up the blackmagic thing in the control panel and made sure it was component to component, but it still didn't work. Then I restarted my computer reinstalled the drivers and tried everything again and it did work for like a minute then a meaasge poped up on windows 8 saying something like and error occured and it had to restart.