Windows 10 reached EOS (end of support) on October 14, 2025. For more information, see this article.

Avatar for Username

Tìm kiếm hỗ trợ

Tránh các lừa đảo về hỗ trợ. Chúng tôi sẽ không bao giờ yêu cầu bạn gọi hoặc nhắn tin đến số điện thoại hoặc chia sẻ thông tin cá nhân. Vui lòng báo cáo hoạt động đáng ngờ bằng cách sử dụng tùy chọn "Báo cáo lạm dụng".

Tìm hiểu thêm

Chủ đề này đã được lưu trữ. Vui lòng hỏi một câu hỏi mới nếu bạn cần giúp đỡ.

Firefox lässt sich nicht mehr aufrufen

Anna Ree
Anna Ree
tuỳ chọn khác

Hallo zusammen,

ich kann meinen Firefox nicht mehr aufrufen, weil er wohl nicht kompatibel mit 133 ist. Es wird empfohlen zu deinstallieren und neu zu installieren. Aber dann sind meine Favoriten, Lesezeichen und Passwörter weg. Ich kann sie nicht sichern, weil ich keinen Zugriff auf die alte Version habe. Wie löse ich das Problem?

Viele Grüße Annette

Hello everyone,

I can no longer access my Firefox because it is probably not compatible with 133 (see screenshot). It is recommended to uninstall and reinstall. But then my favorites, bookmarks and passwords are gone. I can't save them because I don't have access to the old version. How do I solve the problem?

Best regards Annette

Hallo zusammen, ich kann meinen Firefox nicht mehr aufrufen, weil er wohl nicht kompatibel mit 133 ist. Es wird empfohlen zu deinstallieren und neu zu installieren. Aber dann sind meine Favoriten, Lesezeichen und Passwörter weg. Ich kann sie nicht sichern, weil ich keinen Zugriff auf die alte Version habe. Wie löse ich das Problem? Viele Grüße Annette Hello everyone, I can no longer access my Firefox because it is probably not compatible with 133 (see screenshot). It is recommended to uninstall and reinstall. But then my favorites, bookmarks and passwords are gone. I can't save them because I don't have access to the old version. How do I solve the problem? Best regards Annette
Đính kèm ảnh chụp màn hình

Tất cả các câu trả lời (1)

jscher2000 - Support Volunteer
jscher2000 - Support Volunteer
  • Top 10 Contributor
tuỳ chọn khác

Hi Anna, sorry for the slow response. This error usually means that the updater was not successful in replacing all of the program files during the last update. When there is a mix of different version program files, Firefox cannot run.

The solution is to run the full installer to replace all the files. You usually do not have to uninstall first, the installer will do an in-place upgrade. You can download from here:

https://www.mozilla.org/firefox/all/desktop-release/