yes that's true, but if you assume that the pc, where a video was played referenced reference, is freshly set up and plays a video then plays the video over all, but if on the pc video programs and the same on it and there was a video recorded the recording program takes the dll's of the recent date to record the video then it is taken that then in some pc, the video only with a gray picture or absolutely nothing happens, the ignorant would delete the file and miserably built on everyone grumbles because the file size is not running