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the customize toolbar function doesn't work

Hello, the customization of the overflow menu/toolbar doesn't work at my firefox app. The button for "customize toolbar" is gray and not not usable as I used the instruc… (ler mais)

Hello, the customization of the overflow menu/toolbar doesn't work at my firefox app. The button for "customize toolbar" is gray and not not usable as I used the instructions for the customization. [ https://support.mozilla.org/en-US/kb/customize-firefox-controls-buttons-and-toolbars]

thank you

Colocada por julius.bosch98 4 dias atrás