hi all, I need some help asap.. could you guys tell me how to fix the "BaseSystem cannot be installed on this computer." error when I install 10.4 /10.5 within 10.3.9?? it's an emac, with 1.25 g4 768RAM 40G HD one partiton with 10.3.9 in it.. so,plz help! I need to fix this by monday.. THanks a million..