I have a IMAC G5 10.3.9 and I bought online OEM disk from another IMAC G5 10.4, when I bought them the only requierment was that it needs to be an IMAC G5, well here I'm trying to do it mysef before I call this people...When I turn it on holding the C everything seems ok it even asks the language preferences; and then is when this message comes this sofware cannot be run in this computer...Please help me with this...