This window shows during the installation process, almost at the beginning, right after a slide with available Wi-Fi network shows up. I think it's right before the screen when you choose to download or not the updates during the install and to enable or not third party software.
When I choose my home WiFi network from the list and click "Connect" (far bottom-right button, like "Next"), then this Wi-Fi Network Authentication window shows up (as a smaller one, in front of the main installation). -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to network-manager-applet in Ubuntu. https://bugs.launchpad.net/bugs/1426920 Title: Wi-Fi Network Authentication menu not translated during install Status in Ubuntu Translations: New Status in network-manager-applet package in Ubuntu: Incomplete Bug description: Re : Wi-Fi Network Authentication menu not translated during install During a new installation, I had the following window in English instead of French : ------------------------------------------------------------------------ Wi-Fi Network Authentication Required Authentication required by Wi-Fi network Passwords or encryption keys are required to access the Wi-Fi network '(myADSLbox)'. Key: Show key Cancel Connect Some of these sentences have actually been proposed - and some have even been reviewed - in French translations here : Wi-Fi Network Authentication Required https://translations.launchpad.net/ubuntu/saucy/+source/network-manager-applet/+pots/nm-applet/fr/+filter?person=griffondude https://translations.launchpad.net/ubuntu/saucy/+source/network-manager-applet/+pots/nm-applet/fr/568/+translate 2 years ago. Authentication required by Wi-Fi network https://translations.launchpad.net/ubuntu/raring/+source/network-manager-applet/+pots/nm-applet/fr/+filter?person=lorkscorguar Passwords or encryption keys are required to access the Wi-Fi network https://launchpad.net/+search?field.text=%22Passwords+or+encryption+keys+are+required+to+access+the+Wi-Fi+network%22&x=0&y=0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-translations/+bug/1426920/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp