I cannot watch anything on Mac 10.9, as it says i need to install the new version of Adobe. When i try and install your version 12, it gets to 50% of the download and then says unable to complete installation. i have already tried to disintall and re-install and its not working.
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Try installing Adobe Flash Player 12 using offline installer : http://fpdownload.macromedia.com/get/flashplayer/current/licensing/mac/install_flash_playe r_12_osx.dmg