all my video clips i import into my project i am creating. I have Movie Studio 2023 Plat in timeline mode. in Movie studio 16 I use to select all, or take the clip i wanted and drop it down a track or 2 then select and drag, went real fast. Now if i do that i grab the first clip of several selected that i want to move to the end of my presentation, when i get near the end of the viewable area the cursor slides down the selected clips till it gets to the end of the clips, the icon changes to an icon like MS is thinking, then clears and seems it went only a short distance. so i have to keep dragging and dropping. now MS will not even push my video clips out of the viewable are it gets down to a fraction of one of the last clips and no further. either way