Logic 7.2 doesn't run on MacBook Pro - crash report

Question

Hello everybody,
freshly installed Logic 7.2 over my existing old Logic 7.1.1 and now it does not work. This is the error I am getting..reinstalling from scratch didn't help..I am stuck with this now.
Here is the crashreport log:
Host Name: MacBook-computer
Date/Time: 2006-04-03 12:27:11.743 +0200
OS Version: 10.4.5 (Build 8H1455)
Report Version: 4
Command: Logic Pro
Path: /Applications/Logic Pro.app/Contents/MacOS/Logic Pro
Parent: WindowServer [81]
Version: 7.2.0 (954)
PID: 816
Thread: Unknown
Link (dyld) error:
Library not loaded: /System/Library/PrivateFrameworks/ProKit.framework/Versions/A/ProKit
Referenced from: /Applications/Logic Pro.app/Contents/MacOS/Logic Pro
Reason: no suitable image found. Did find:
/System/Library/PrivateFrameworks/ProKit.framework/Versions/A/ProKit: mach-o, but wrong architecture
Please help me, this does not feel good especially after having purchased an upgrade like this one.

Answer 1

Did a clean fresh Hard disk wipe-out and OS re-installation.
Everything works now! And I must say Logic seems to be running on one of the G5s I've been working on for months..smooth, fast and crisp either in the audio engine operation and the interface (EQ analyzers etc.). Love it I also have to add that I did not have any crash or problem with it so far. I think this is pretty important to underline since I've read people complaining about 7.2 stability. So far so good here.
What happened was that I installed Application Support 3.1 before installing Logic 7.2 (that was done automatically by Logic 7.0 or 7.1).
DO NOT INSTALL APPLICATION SUPPORT, ANY VERSION, ON INTEL MAC PLATFORMS!
Which means, in Logic terms: never install any version older than 7.2.
Thanks guys, lots of hugs I am now back to work
MacBook Pro   Mac OS X (10.4.5)   Intel Core Duo 2 Ghz, 1Gb RAM, SATA 7200rpm HD, Presonus Firebox, Logic Pro 7.2