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I just downloaded this on Firefox 28.0 on Windows 8.1 and I get all the way to the end of the wizard and click FINISH and nothing happens. No ,xpi is created, nothing.

Questa recensione riguarda una versione precedente (1.3.1-signed.1-signed) del componente aggiuntivo. 

I think it's because no config path is filled in. I've uploaded a 1.4 to fix.