DVD Flick DVD's Freezing In Toshiba HD-E1

Hi, well i'm having trouble yet again, i love DVD Flick, but now all dvd's encoded by it and played on my Toshiba HD-E1 freeze randomly or just play funny, they all work fine in my £29 SD Toshiba dvd player.

All are mkv files tested so far, if encoded with other encoders they play perfectly in the E1 and i'm sure i've used DVD Flick before and they played fine in the E1.

I have tried different media but just can't work this one out, do i need to set a certain bitrate for a HD dvd player when using DVD Flick. I've found FAVC has excellent picture quality but it has very jerky playback, not frame rate related, and AVStoDVD does the same but i can't even set it to NTSC or get it to do two pass encoding, so i'm out of options for good two pass encoding software if i can't get DVD Flick to work, thanks.