I am capturing analogue video with Cyberlink Power Director. The capture shows many frmaes dleted and so the result is very jerky. The programme is ‘dropping frames’ at over 1000 in less than a minute. I am using an external 1 terrabyte disc to save to. I have updated my NVIDIA GeForce 8300GS driver and am using Wndows XP SP3 version 8.0. The original analogue picture is fine. What is going wrong?