Final Cut Pro 1.0 and Final Cut Pro 1.01 are not compatible with Power Mac G4.

To take advantage of hardware and software updates, including the Power Mac G4, Apple shipped a newer release of Final Cut Pro. Final Cut Pro customers should not attempt to run versions of Final Cut Pro on any hardware or software that is not certified. A list of certified software and hardware, as well as information on how to obtain an update to Final Cut Pro 1.2 is available from http://www.finalcutpro.com