Here's how you can install the Adobe Flash Player 126.96.36.1990 in Ubuntu 13.04. This update will fix a memory corruption problem found in the last release.
1. Open a terminal window.
2. Type in the following commands then hit Enter after each.
sudo add-apt-repository "deb http://archive.canonical.com/ raring partner"
sudo apt-get update
sudo apt-get install flashplugin-installer
Additional Resources for Adobe Flash Player
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