Software - AirPort Extreme MAC Address Changer

Help:
Due to the fact this program is young and loads/unloads and modifies a kernel extension, there is a chance that some problems can be encountered. The worst thing that will happen to you when running this program is that your computer will think that your AirPort Extreme card is not installed or that the driver is not loaded. If this happens to you, you can try the following to resolve the issue:

If you get a message with a warning triangle stating the AppleAirPort2.kext did not load correctly:
Open the program and click the button labled "Reset MAC Adress" if avaliable. If it still does not work, you can open a terminal and enter the following commands:

sudo chown -R root:wheel /System/Library/Extensions/AppleAirPort2.kext/
sudo kextunload -b com.apple.iokit.AppleAirPort2
(don't worry if the above command said it failed)
sudo kextload -b com.apple.iokit.AppleAirPort2

If your AirPort Extreme connection is unavaliable or your computer informs you that your AirPort Extreme card is not installed:
Open the program and click the button labled "Reset MAC Adress" if avaliable. If the above mentioned does not work, open a terminal and enter the commands:

sudo kextunload -b com.apple.iokit.AppleAirPort2
(don't worry if the above command said it failed)
sudo kextload -b com.apple.iokit.AppleAirPort2

If the above does not work, you can enter the following:
sudo chown -R root:wheel /System/Library/Extensions/AppleAirPort2.kext/
sudo kextunload -b com.apple.iokit.AppleAirPort2
(don't worry if the above command said it failed)
sudo kextload -b com.apple.iokit.AppleAirPort2

If this still does not work, you can copy the backup kernel extension the program made in your home directory (don't you love this planning in advance?!) Before you do these steps however, make sure the backup is still there. The backup will be named AppleAirPort2.kext and located in your home directory.
sudo mv /System/Library/Extensions/AppleAirPort2.kext /tmp/
sudo cp -Rp /Users/yourUserName/AppleAirPort2.kext /System/Library/Extensions/
sudo chown -R root:wheel /System/Library/Extensions/AppleAirPort2.kext/
sudo kextunload -b com.apple.iokit.AppleAirPort2
(don't worry if the above command said it failed)
sudo kextload -b com.apple.iokit.AppleAirPort2

If all of the above did not help:
Try rebooting and if this does not work, you should think about downloading one of the OS 10.4 Combo update packages and installing it. Sorry, but bad things do occasionally happen to good people.