Disable Alt key to show title/menu bar
I am in need to disable the title/menu bar pop up whenever I press alt, as this conflicts with a browser application I am using, breaking it more times than not. Is there a way to disable specific short-cuts?
I have tried disabling permissions.default.shortcuts, but this disables all short-cuts besides the alt key.
You can set ui.key.menuAccessKeyFocuses = false on the about:config page.
You can open the about:config page via the location/address bar. You can click the button to "Accept the Risk and Continue".