Help adon!!!!!!!!!!!

[Wickinger8]

Hi I've a problem with the days of Adon them.
Home win7, I have 64 bit, it always comes diees message what should I do that I can use the adon!
Mfg
Wickinger8



Firefox konnte das Add-on von folgender Adresse nicht installieren:

http://releases.mozilla.org/pub/mozilla ... +tb+fn.xpi

Grund: Unterschrift konnte nicht verifiziert werden.
-260

[Michael]

There are three possible reasons for this message listed on the known issues page. Do any of the suggested solutions work?