Oh My God...BUt Logic and 10.5 are both made by Apple? It seems not....

In few words.... Everything worked on my system, a Quad G5 DAW based on Logic 7 running in OS 10.4. I have installed 10.5 and now both Logic 7 and Logic PRO 8 don't work. I can't believed it.... What can I do? Maybe spend my weekend to reinstal 10.4 and everything.... My MAc is becoming a PC?

In few words.... Everything worked on my system, a Quad G5 DAW based on Logic 7 running in OS 10.4. I have installed 10.5 and now both Logic 7 and Logic PRO 8 don't work. I can't believed it.... What can I do? Maybe spend my weekend to reinstal 10.4 and everything.... My MAc is becoming a PC?<</div>
Hey, I've run a PC with XP/Pro trouble free the past three years, it's only foolish or incompetent people that have problems with them, anyway, recent Macs are PCs.
Your problem: Sounds like you did the Leopard upgrade over the old 10.4x OS.
If you look around you'll find that there are others with similar problems that have upgraded on top of the old OS. Most everyone that's run a clean install seems to have stable systems.
pancenter-

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