Vista Issues: Right Dragging Windows Is Slow
- 1). Click the "Start" button, followed by the option for "Control Panel."
- 2). Click "Hardware" and then click "Mouse." A dialog box with the mouse settings will appear.
- 3). Adjust the slider where indicated by moving it towards "Fast." The changes take effect immediately, so you can continue adjusting the mouse settings until they are right for you.
Source...