If the ReWire Device menu snaps back to "Off", this means that there is an authorization problem. Rather than just quitting outright, reFuse simply will not engage any ReWire devices if the the name/serial pair is not valid.

To fix this problem, quit and re-launch reFuse. It will prompt you again for your name and serial number:


If, at this point, the problem is not solved, please contact us for further support.