The original DX-Ball? That's not one of our games; we only support the sequel. You'll probably want to try Magicwand Software's support form.
However, one thing you might want to try is running the game in compatibility mode. You can do that by right-clicking on the icon that starts the game, choosing Properties, then going to the Compatibility tab in the new window that pops up and checking Run this program in compatibility mode for: . Windows 98 is probably the best system to choose from the drop-down list.