Tracked body parts shifted in tracked video

i have been using windows 10, DLC-CPU env, and I have trained the network on tethered mice using maDLC2b8. after trainning for 100K iterations, i tried to analyze short videos of 10s length. i see this shift all body parts. though the shift is consistent . could you guide me how to correct this error.
following is a snapshot of the video after the analysis in analyse the video tab from GUI.

let me know if i need to provide any further information regarding this