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how can I install google voice and video plugin,facebook plugin?I downloaded both the plugins and installed but it's again showing install plugin on both.

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I downloaded both the plugins and installed.but when i go to make video call on facebook ,google plus, it says again to install plugins.nightly doesn't show that plugins have been installed.

I downloaded both the plugins and installed.but when i go to make video call on facebook ,google plus, it says again to install plugins.nightly doesn't show that plugins have been installed.

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Please check if all your plugins are up-to-date. To do this, go to the Mozilla Plugin Check site.

Once you're there, the site will check if all your plugins have the latest versions. If you see plugins in the list that have a yellow Update button or a red Update now button, please update these immediately.

To do so, please click each red or yellow button. Then you should see a site that allows you to download the latest version. Double-click the downloaded file to start the installation and follow the steps mentioned in the installation procedure.