John,
Thanks. I did the Media Center Restore and as you suspected, it changed nothing with the Display driver error problem.
I would have no problem having Time Warner back out to finish the install and confirm channels, but I believe the HDCP issue is something with may MC. I have no idea why since it is the same MC I was using fine in Nashville. FRUSTRATING
Another thing I think there is a problem with is the signal level. I thought I read it well below -5dB.
