More info: Tried XP compatibility mode and scrolling worked great - for about a minute. Then it got progressively slower until after 3-4 minutes it was as slow as described in the post above. Even typing in the name of a saved game is slow. Each letter takes 4-5 seconds to show up, so a six characte...

Help! Just installed with patch and scrolling is extremely slow and erratic; virtually unusable. If I go to the edge of the screen it doesn't move without multiple tries, then jumps across the entire large game map. Clicking the mini-map has a delay of 4-5 seconds. Dragging the playing area is slow ...