I'm having partial success getting all my Sonar X2 files onto the new computer.
What files? Audio files/ CWP and per project?
If your getting distortion, you probably need a sound card that is recommended for use with Sonar or if you have one, you need to install its most up to date drivers and try ASIO and WDM driver modes with different buffer and slider settings to see what works best for you.
CJ