I have a eMac that I bougth for 2 years ago. 1 GHz, 1 GB SDram. OSX 10.4. My problem now is that my classic lock it self when it want, when I run games or programs. Say I shall scan a image, the program suddenly close down. If I play Heroes 3 it suddenly close down in the middle of the game. My Mac classic sytem is not stabel and I don't know why. Any advise?