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Login with EA fails in Firefox

Bug Report

When i click on login, Firefox opens the ea page.

I enter my username and password, click signin and nothing happens.

Firefox DevTools say there is a post request to signin.ea.com but no login takes place.

Kyber Launcher stays at “failed to find auth code” with a backtrace of a few lines of “unknown” and 19 basethreadinithunk and 20 “rtluserthreadstart”

I vaguely remember that FF and login redirect is a bit problematic, but i have no clue how to get this solved,

Posted by schnickschnack ·
4 comments

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Comments4

  • schnickschnack

    •

    Dec 30, 2025

    To be precise, nothing changes with edge. So i wonder where the issue is.

  • AdamRaichu

    •

    Dec 30, 2025

    In the interim, you can copy the link the launcher opens and paste into another browser (chrome or edge).