It's also telling me they're up to date.

Your System Details List shows multiple Flash plugins.

1. Shockwave Flash 11.8 r800
2. Shockwave Flash 18.0 r0

You can find the installation path of all plugins on the about:plugins page.

• http://kb.mozillazine.org/Issues_related_to_plugins#Identifying_installed_plugins

You can check the Flash player installation folder for multiple Flash player plugins and remove older version(s) of the plugin (NPSWF32) and possibly (re)install the latest Flash player.

• (32 bit Windows) C:\Windows\System32\Macromed\Flash\
• (64 bit Windows) C:\Windows\SysWOW64\Macromed\Flash\

If there is only one Flash version present then try to delete the pluginreg.dat file in the Firefox Profile Folder and maybe addons.sqlite as well to reset the plugin registry databases.

See Re-initializing the plugins database:

• https://support.mozilla.org/kb/troubleshoot-issues-with-plugins-fix-problems

Thank you for your excellent answer, Cor-el. In the first picture I also have a concern with the Java Deployment Toolkit plugin, should I just keep it disabled? Another question mentioned Oracle has not fixed security faults in the plugin.

Yes, you can keep the Java DT plugin disabled. Normally only Java developers need this plugin anyway.

• http://kb.mozillazine.org/Java