OK, before starting to insult about Ahead I should fix the problems by myself. The compatibility problems you found is no fault of the API but of ImgTool. There is a new parameter that enables DVD Video compatibility. In the old API this was automatically done if DVD Video content was found. So I forgot to set this parameter. You can test the new version by downloading and extracting the linked file into the ImgTool install dir. Just overwrite the old file. It doesn't matter if you've installed ImgTool Burn 1.1.2 or 1.1.3 before ... Let me know if this works! Greets, CouJo! P.S. Oh, before I forget it again: