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Disabling yellow plugin bar - Firefox

From MozillaZine Knowledge Base

Up to Plugins

To completely disable the yellow plugin bar that tells you that you're missing plugins, in about:config set the preference plugin.default_plugin_disabled to false. There is currently no way to disable the bar for only certain plugins or for certain sites.

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External links

Retrieved from "http://kb.mozillazine.org/Disabling_yellow_plugin_bar_-_Firefox"