Did you use 32 bit .dll? I am having the same problem. Installed VLC media player 2.0.1 (Twoflower) on my Win7 64-bit machine. It won't play Blu-ray discs. I don't understand your advice. Why should any user need to 'use 32 bit .dll'? And what do you mean with 'using 32 bit .dll'? I really apprecia...