I have a problem with Escape from Monkey Island on my Power Macintosh G3 Minitower (specs: 300 mhz, 256mb ram, 120gb hard drive, 32mb ATI Radeon, zip drive, dvd drive, Apple AV Personality card, firewire/usb pci card, Mac OS 8.1 & 9.1 installed). A msg comes up when i try to run the game...