ill try to change ac3 codec i have tried everything else without results i was hoping that there was a bda driver for my card but i cant find one

I have a newmi dm-1105 cheap card that works fine with previous versions of prog dvb i installed the newest progdvb and now when i change channels i get no image or sound as soon as I restart progdvb it come on. I am running a p4 3.0 1.5 gigs ram 128 mg nvidia video card please help also never have ...