WinDVD 9 Won't Do Screen Capture with ALL2HD

[mrmark]

Great product. I assume there is some technical reason why I can't do a screen capture with ALL2HD turned on? It would seem to me that if I can freeze the frame with the Space Bar I should be able to get a snapshot with the "P" key. Is it my machine (XP with ATI Radeon card) or V9? Thanks.