Mp4 Video Issues

[TONYBERNARD]

Upgraded to newest version in new computer. So far everything working fine except: We have purchased MP4 Karaoke videos that worked in prev version. Now with upgrade/transfer/issue 1) When performing (main hoster page) click Video -go to folder where MP4 are in, add to set list, a 3 min song is showing 17min for this song. We have excess of dead air.
as a second piece to this puzzle when I tried to import them into hoster as I have done before it will import but they still have extended times......Please Help!