Hi all, I have a video that was professionally produced for me a few years ago. I have all rights to this video and need to make additional copies of it. It was originally produced, edited, and copied on a mac. When I make a disk image using disk utility, it produces a .cdr file which will not work on PC computers when burned (but works on the mac). I have found on other forums that the solution to getting this to work on a PC is to change the file extension to .iso . I did this and it prompted do you want to use .iso or .cdr and I chose .iso and then burned a new disk with this disk image. Again, it works on the mac but not on the PC. What am I doing wrong? I need this disk to play both on PC and Mac but the only CD burner I have access to is on a mac. Help!