Plugins are used from the Operating System, but Firefox often attempts to show them and to check them. #First of all use the firefox menu to ensure your plugins are all enabled. # then use [/plugincheck]<br/> that will sometimes show an old Java as disabled for safety reasons, but then includes an update link <br/> note the page scrolls and provides general information and further instructions Presumably you already have a firewall and other security software, you may need to check whether they block downloads or updates. * see [[Configure firewalls so that Firefox can access the Internet]] and articles linked from it