PUBLIC MARKS from gregR with tags flash & firefox

Start Firefox, and in the address bar, enter "about:config" without the quotes (see above). In the filter bar, enter "plugin", again without the quotes. Double-click on "plugin.expose_full_path." This should change the value from "false" to "true" and the status from "default" to "user set." Go back to the address bar, and enter "about:plugins" (no quotes). As shown below, the file name in the Shockwave Flash section has the name and the full path of the file Firefox is using for the Flash Player.