Rated 5 out of 5 stars

I have the seem bug with FF 44.0
Erreur d'analyse XML : entité non définie
Emplacement : chrome://copy-urls-expert/content/dialogs/options.xul
Numéro de ligne 146, Colonne 3 : <prefpane flex="1" id="copyurlsexpert-shortcutkeyspanel" label="&copyurlsexpert.options.shortcutkeystab;" image="chrome://copy-urls-expert/skin/keyboard.png">
--^

Please update please.
Regards

This review is for a previous version of the add-on (2.4.1). 

Thanks for bringing this into my knowledge. A fix is on the way.