When I drag in a block, it leaves a trail across the drawing (see sketch). It goes away when I hit redraw but it is very annoying because precisely placing the block during the drag in is difficult. Many versions of TC ago, I remember running into this and the fix was quite simple. I have recently started using TC2018 Dx (W10) and I cannot recall what I did the back then to make this problem go away. Any help would be appreciated, thanks.