You can re-enable the driver via Command Prompt (Admin):
Perfect framerate, all original music (Bad Religion, The Offspring), Pizza Hut/KFC ads intact, and no Windows 7 compatibility headaches. crazy taxi windows 7
Download Redream, find a Dreamcast Crazy Taxi ROM, and within ten minutes, you’ll be screeching through the streets of “Sunshine City” to the sound of “All I Want” by The Offspring. You can re-enable the driver via Command Prompt