Leopard Broke Core Midi?

Hello everyone,
I'm new here so I apologise if I was not able to find a thread that already answers my question.
I just upgraded my Imac (Intel) to Leopard, and Core Midi now no longer responds. I tried getting rid of my midi drivers and re installing, but core midi will still not launch. (it says so in the Audio/Midi utility. Has anyone had any midi problems with leopard? Does anyone know of a way for me to get core midi working again, I need it for a project for school. I did the dvd update from Tiger, not sure what else you guys might need me to tell you.
Thanks for your help
~ YYZ

After re-reading my response, perhaps I wasn't clear. How about this:
1. Open he hard drive by double clicking it's icon.
2. Open the Library folder.
3. Open the Audio folder.
4. Open the MIDI Drivers folder.
5. Remove all MIDI drivers.
6. Reinstall correct driver that's Leopard compatible for your MIDI interface.
7. Restart the computer.
8. Open the Audio MIDI Setup application in the Utilities folder (within the Applications folder).
9. Run the program and set up MIDI.
This should work as long as the MIDI drivers are Leopard compatible. It worked for me.

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