- Stop all audio applications running.
- Go to the folder "/Library/Application Support/Propellerhead Software/Rewire".
- Delete or rename the file ReWire.bundle.
- Start Revoice Pro and press the ReWire button.
The correct version of the file should then be installed.
Note: ReWire support has been removed from Revoice Pro 3.0 and later and replaced with Audio Monitoring Plug-ins.