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Restart
Restart
Restart the current application after installing a new extension, theme or plug-in.
There is a number of reasons you may want to restart the program your using. Though having installed an extension is the most common. This button take all the hassle and work out of it.
Compatibility:
Pale Moon
Thunderbird, Postbox
SeaMonkey
This button is a legacy add-on, and can not be ported to Firefox 57+.