Disabling Auto Update notifications for Flash Player 10.3

Flash Player 10Flash Player 10.3 introduces auto-update notifications for Mac OS X. If you’d like to disable those for your managed clients (because you are distributing these updates via munki, for example), install this package:


This package installs a file at /Library/Application Support/Macromedia/mms.cfg with the following contents:


More info here:


Thanks to Patrick Fergus for the tip.

Update 02 July 2012: updated the link for the package.

Disabling Auto Update notifications for Flash Player 10.3

8 thoughts on “Disabling Auto Update notifications for Flash Player 10.3

    1. Create ‘local-settings.js’ file in ‘/Applications/Firefox.app/Contents/MacOS/defaults/pref/’ with contents

      pref(“general.config.filename”, “mozilla.cfg”);
      pref(“general.config.obscure_value”, 0); // use this to disable the byte-shift

      Create another file “mozilla.cfg” in ‘/Applications/Firefox.app/Contents/MacOS/’ with contents

      // This file sets some prefs for use at MyOrganization
      // and locks down some other prefs.

      //disable application updates

      lockPref(“app.update.enabled”, false);
      lockPref(“app.update.autoUpdateEnabled”, false);
      lockPref(“extensions.update.enabled”, false);
      lockPref(“extensions.update.autoUpdate”, false);
      lockPref(“browser.search.update”, false);

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