http://www.n00bsonubuntu.net/content/how-to-install-adobe-flash-player-acrobat-reader-and-adobe-air-on-ubuntu-12-04/

If you run into problems with adobe Air about missing gnome-keyring or KDE Wallet, run the commands below to fix it, then re-run the air installer.

sudo ln -s /usr/lib/i386-linux-gnu/libgnome-keyring.so.0 /usr/lib/libgnome-keyring.so.0

sudo ln -s /usr/lib/i386-linux-gnu/libgnome-keyring.so.0.2.0 /usr/lib/libgnome-keyring.so.0.2.0