If the plugin crashes or if Firefox detects that the plugin has stopped responding, the plugin will terminate and you will see an error dialog on the webpage, instead of the content that uses the plugin. Plugin error dialogįirefox will automatically use an installed and enabled plugin for embedded webpage content, such as Flash videos on YouTube. If you previously denied access, you should change your security software program settings to allow plugin-container. If you are asked for permission to allow the plugin-container process to access the Internet, you should allow it. Important: Your firewall or other security software may block the plugin-container process and prevent a plugin from working. This plugin process is named "plugin-container" on Linux, "plugin-container.exe" on Windows, and "Firefox Plugin Process ()" on Mac OS. When you exit Firefox, those plugin-container processes will terminate. Plugin-containerįor each plugin for which the "OOPP" crash protection feature is enabled, a separate plugin process will be started when you first visit a webpage that evokes that plugin.
Note: This new crash protection feature is available for Mac OS (10.6 or higher) in Firefox 4 and above. (Crash protection is disabled by default for all other plugins so, by default, the preference that permits all plugins to run "out-of process" is set to false.) preference that is set to true for each OOPP-enabled plugin.
These "whitelisted" plugins in Firefox 3.6 releases (Firefox 3.6.4 and above) are each specified in a separate. By default, the plugins enabled to run "out-of-process" are the NPAPI test plugin, Adobe Flash, Apple QuickTime (Windows) and Microsoft Silverlight (Windows). In Firefox 3.6 releases since Firefox 3.6.4, the crash protection feature that sets plugins to run in a separate process is enabled for specified plugins only. When an "out-of-process plugin" stops working, Firefox can remain running and just the portions of a webpage that need the plugin will be disabled (i.e., missing the plugin content). Before this new "out-of-process plugins" ("OOPP") crash protection feature, a problem with a plugin (e.g, Adobe Flash) would often cause the entire Firefox browser to crash. Starting in Firefox 3.6.4 on Windows and Linux, a new crash protection feature isolates certain plugins from the browser process and sets those plugins to each run in a separate plugin-container process.
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