Firewire problem

vbimport

#1

just installed a new firewire card and connectes ok it works my panasonic ok but when i press capture it comes up with failed to build a preview graph cannot capture or
capture module initiate failed. I got ulead moviestudio 8 free with it. I have tried other software but still the same sort of problem. I can use camera through usb but not that good.
Help please if you can.