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AdvancedClose 18.104.22.168-signed.1-signed Requires Restart
Close FF with all own windows, restart FF, close all FF windows except current, close all FF instances
This add-on has been marked as experimental by its developers
This add-on is not compatible with your version of Firefox because of the following:
About this Add-on
Left click allows you close current window, right click opens menu and allows close current window, close all windows except current window, restart browser, close all windows and exit browser.
If you closed last window - browser closed too.