Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Avatar for Username

Hilfe durchsuchen

Vorsicht vor Support-Betrug: Wir fordern Sie niemals auf, eine Telefonnummer anzurufen, eine SMS an eine Telefonnummer zu senden oder persönliche Daten preiszugeben. Bitte melden Sie verdächtige Aktivitäten über die Funktion „Missbrauch melden“.

Weitere Informationen
Offen

Are you sure you want to sign in to sync? A different user was previously signed in to sync on this computer. Signing in will merge this browser’s bookmarks, passwords and other settings with xxxx@gmail.com

Firefox Sync-Fehler
Woof antwortete vor 1 Woche
RN
RN

Download FF install sign-in > said success then show warning

``` Are you sure you want to sign in to sync?

A different user was previously signed in to sync on this computer. Signing in will merge this browser’s bookmarks, passwords and other settings with xxxx@gmail.com ````

Press continue, the pop-up still appear and the sign-in was false positive.

FF version : 156.0 (64-bit)

Download FF install sign-in > said success then show warning ``` Are you sure you want to sign in to sync? A different user was previously signed in to sync on this computer. Signing in will merge this browser’s bookmarks, passwords and other settings with xxxx@gmail.com ```` Press continue, the pop-up still appear and the sign-in was false positive. FF version : 156.0 (64-bit)

Alle Antworten (3)

RN
RN Fragesteller

Tried go to `about:profiles` and delete existing profile and create new profile, still not working

Kiki
Kiki
  • In den Top 25 der Mitwirkenden
  • Leiter des Sprachteams
  • Administrator
  • Moderator
Mozilla-Mitarbeiter

Hi RN,

You may want to check out this Reddit thread. The answer was coming from one of our top Firefox desktop contributors.

Woof
Woof

I just seen this and I've already turned sync OFF

Stellen Sie eine Frage

Sie müssen sich mit Ihrem Benutzerkonto anmelden, um auf Beiträge zu antworten. Bitte stellen Sie eine neue Frage, wenn Sie noch kein Benutzerkonto haben.