Looking for logging into the Duolingo Problems site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Duolingo Problems site. After that you can login as usual with your login credentials.
https://forum.duolingo.com/comment/21646534/Probleme-mit-Login
https://support.duolingo.com/hc/de/articles/115000472386-Ist-Duolingo-gerade-down-
https://support.duolingo.com/hc/de/articles/204738034-Ich-kann-nicht-auf-mein-Konto-zugreifen-oder-mein-Passwort-zur%C3%BCcksetzen-
https://de.duolingo.com/help
https://support.duolingo.com/hc/de/articles/204762054-Problemdiagnose
https://support.duolingo.com/hc/de
http://downdetector.com/status/duolingo
https://downdetector.com/status/duolingo/map/
https://www.fluentlanguage.co.uk/blog/duolingo-review-fluentlanguage
https://www.microsoft.com/de-de/p/lerne-englisch-und-franzosisch-mit-duolingo/9wzdncrcv5xn
https://twitter.com/duolingo/status/645545353115226112?lang=de
https://play.google.com/store/apps/details?id=com.duolingo&hl=de
http://duolingo.wikia.com/wiki/Troubleshooting