I have an X52 and my rotaries on the thrust control are sometimes drifting after making a slight trim adjustment. They will continue to decrease. If I adjust the pot again it will correct itself. I go into the control panel and after moving the rotaries from left to right and back a few times it will stabilize. It seems to change between pots for X and Y with no pattern indicated. I am currently running Vista 32 bit. Any ideas would be graeatly appreciated.