Last month Adobe released version 10 of their free Flash Player plugin for web browsers. If you've installed version 10, then you're done. You are not missing any patches and can stop reading now.
If you're not sure which version of Flash is installed, Adobe has a tester page. Windows users that have installed another browser, need to run this test in both Internet Explorer and the other web browser(s).
Anyone still running version 9 of the Flash Player needs to be running the latest edition, 9,0,151,0, which was released just a few … Read more