I am running MacOS 10.2.6 and I have the same problem. Errr, well, it launches but then exits immediately. The Release Notes hint at "both" OS's which I assume means 10.3 and 10.4. Anybody else have success with 10.2?
p.s. I would go to 10.2.8 but I lose my USB and Firewire add-on card. I...