Disney Does Calibration: World Of Wonder Blu-ray Vs. Spears & Munsil Benchmark. Why Won't New Blu-rays Play?

"Calibration Doggone Easy & Fun!" Will we replace the Spears & Munsil High Definition Benchmark Blu-ray with Disney's WOW: World of Wonder Blu-ray disc set? PowerDVD 8 won't play new Blu-rays. What should I do?