Hi, Just did a fresh install of Wondows 7 Pro 32 bit.Now when I try to burn avi movies to dvd, I have a problem. The video is flawless,but it has no sound.I have tried Nero 7 Ultra, Ashamppo buning studio 9, and even the windows burning program that came with the OS.My burner is a Lite-On LH-20A1H. It has rhe current firmware and driver. The movies play fine on the computer. I have used three fifferent brands of discs. I can copy a movie using DVD Clone, and the audio is fine.I'm about to lose my mind!!!