I am so sorry, i am a rookie. My eMac is Mac OSX 10.4.2 CPU : 700MHZ Powerpc G4 RAM: 512MB SDRAM I want update my emac from 10.4.2 to 10.4.6 directly, so i download the update file form www.apple.com . I downloaded MacOsX update 10.4.6ppc.dmg and MacOsX update 10.4.6inter.dmg. But all failed at the fourthly step! If somebody can give me the resolution of this problem, i will thX very much. I just need the url of correct update file for my eMac. How can i update eMac from 10.4.2 to 10.4.6 directly. Pls help me! THx !