Looking for logging into the Pinterest Error Firefox 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 Pinterest Error Firefox site. After that you can login as usual with your login credentials.
https://support.mozilla.org/questions/1200928
https://support.mozilla.org/questions/1020996
https://support.mozilla.org/questions/1228315
https://support.mozilla.org/questions/1181865
https://help.pinterest.com/de/article/trouble-with-pinterest-browser-button
http://forums.mozillazine.org/viewtopic.php?f=38&t=2734853
http://www.itfixtech.com/blog/how-to-fix-pinterest-not-working-on-mozilla-firefox
http://www.wikiamonks.com/blog/pinterest-not-working-on-mozilla-firefox
https://www.giga.de/webapps/pinterest/tipps/pinterest-button-in-firefox-chrome-internet-explorer-und-co/
https://www.futurezone.de/digital-life/article215998775/Keine-Lust-auf-Registrierung-So-nutzt-du-Pinterest-ohne-Anmeldung.html
https://www.quora.com/Why-is-Pinterest-not-working-on-my-computer-How-do-I-fix-it
https://www.reddit.com/r/firefox/comments/8qiyqa/authentication_failed_error_on_pinterest_firefox/
https://www.hyperborea.org/journal/2015/08/feedly-login-firefox-fail-ghostery/