Quicktime Pro Audio is bad

Before I upgraded to the newest version of QT Pro, everything worked flaslessly. Now that I have upgraded and PAID AGAIN for QT Pro, all audio is completely garbled. This includes audio in QT and also everything I attempt to stream from the net. The ONLY thing that works is ITunes. I have checked every setting concievable including buffers, etc in my audio card.
Why is this? Is there going to be a fix for this or am I just out the money and out of luck.

Now I'm just plain mad. I uninstalled QT 7 and rolled back to QT 6 to see if that fixed things. Audio works perfectly again, but now ITunes doesn't work. So I re-install QT 7. But when I put in my Pro Key, which the app had advised me to write down when I uninstalled, it tells me it is an invalid number.
I guess Apple wants me to buy QT Pro a THIRD TIME FOR THE SAME COMPUTER!!!!!!!!!!!!!
Is there any help at all????????

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PowerMac G5 Quad 2.5 GHz 3GB RAM Mac OS X (10.4.5) NVIDIA GeForce 7800GT
Message was edited by: Anthony M Kassir MD

No audio after quicktime pro import!

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http://danslagle.com/mac/iMovie/tips_tricks/6010.shtml
http://danslagle.com/mac/iMovie/tips_tricks/6018.shtml

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Quicktime Pro Audio is bad

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