hi, everyone. I have a problem with the program v.2.0 running on the C2D 2.4Ghz Macbook with OSX10.5.2 before viewing this thread, my macbook can detect my RH1, but i can do nothing with it except using it as an external device. And with the Hi-MD transfer program installed, the program can show the recording data in the program window, but still I can do nothing with it. after viewing the thread, and tried the way mentioned, I cannot do anything except viewing the titles of the recording data only with the program on my Macbook. I have read the notes of the program And I wonder if there is a solution to the program running in the OSX10.5.2. please tell me and thanks a lot !!!