yeah ok I know what it is. It has to do with the application data folder multiplying 32 times in win 7 x64. So I searched "AIR" using "agent ransack" and deleted files and folders it found. Note that if you delete a file or folder on a sublevel, not being able to delete the others in agent ransack means the one/ones you deleted already deleted those. Imediately AIR could be installed. There are actually all kinds of things hiding in those sublevels. It seems that parts of the installation go into various levels of the 32 sublevels. Cheers.
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