Problem with motion shape

I have some problems with the motion of shape, the border of the shape …SHAKE !! and more too !
Somebody can help me??? I have try to do something, like change the fps or change the shape in a MC but nothing !

There are 3 links for exmp :

motion shape:

motion of MC without cache bitmpa a runtine:

motion of MC with cache bitmpa a runtine:

All 3 moves have 200 frames in timeline, 4 keyframe, and between each keyframe there are 50 frames, fps 25.