After a few weeks between procastination and trying different resources, the problem was solved. There is a bug with the Adobe Air runtime installer for Mac.

The symptoms:

- Air runtime installer stalls.

- No GUI nor confirmation until you quit or force quit the application.

- If you log the application installer. You’ll see the the last line reads: Waiting for user confirmation

The solution:
Delete all related files:
Library > Frameworks > Adobe AIR.framework
Applications > Utilities > Adobe AIR Application Installer
Applications > Utilities > Adobe AIR Uninstaller
username > Library > Preferences > com.adobe.air.ApplicationInstaller.plist

Go to System Preferences > International

Edit the language list and leave only English

Restart the computer and install Adobe Air. Voilá