Sorry if this is in the wrong section, this is my first post. I can't update iTunes. I am running Mac OS X 10.5.8 on a 15" PowerBook G4 Aluminum from early 2005. I'm trying to update iTunes 8.0.2 to 10.6.3. It gives me error... don't remeber what... testing now. It installed, I don't know how, but it did.