I have tha same bug... I get a dvd iso as big as 5 to 6 GB imposible to burn that ... i dont know if it is a v 0.4.3 bug . I had build realy good dvd with older avi2dvd and one with 3 movie.. My movie is only 108 min .. after many try and 3 long day looking at progerss bar who show me how long ...