In the file(case) “Tools_for_MR_V174_win 64” I increased the IEEE 1394 Buffer size from " Small " to " Large " by clicking on " ysfwutility.exe " in the sub-file Utility. Solved problem !! 
In the file(case) “Tools_for_MR_V174_win 64” I increased the IEEE 1394 Buffer size from " Small " to " Large " by clicking on " ysfwutility.exe " in the sub-file Utility. Solved problem !!