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

Mozilla Destek’te Ara

Destek dolandırıcılığından kaçının. Mozilla sizden asla bir telefon numarasını aramanızı, mesaj göndermenizi veya kişisel bilgilerinizi paylaşmanızı istemez. Şüpheli durumları “Kötüye kullanım bildir” seçeneğini kullanarak bildirebilirsiniz.

Daha Fazlasını Öğren
Çözüldü Arşivlendi

Add-Ons page recognizing wrong Firefox version

linoleum

I have installed Firefox 65.0 on Debian Stretch following the instructions on this website: https://linuxconfig.org/how-to-install-latest-firefox-browser-on-debian-9-stretch-linux. When I execute "firefox --version" on my terminal I get "Mozilla Firefox 65.0", the same which is shown in "Help -> About Firefox".

However, when I try to install some add-ons I get a warning "You're using Firefox 51.0"- it seems to think that I'm still using the old version. Am I? How can I fix it?

I have installed Firefox 65.0 on Debian Stretch following the instructions on this website: https://linuxconfig.org/how-to-install-latest-firefox-browser-on-debian-9-stretch-linux. When I execute "firefox --version" on my terminal I get "Mozilla Firefox 65.0", the same which is shown in "Help -> About Firefox". However, when I try to install some add-ons I get a warning "You're using Firefox 51.0"- it seems to think that I'm still using the old version. Am I? How can I fix it?
Ekli ekran görüntüleri

Tüm Yanıtlar (2)

Seçilen çözüm

The User Agent you used to post this thread is Mozilla/5.0 (Windows NT 10.0; WOW64; rv:51.0) Gecko/20100101 Firefox/51.0

So it appears to be either from a UA related Extension you have installed or it was manually modified.

https://support.mozilla.org/en-US/kb/how-reset-default-user-agent-firefox

James tarafından tarihinde düzenlendi

You're right. It was manually modified by an old add-on I had already removed a long time ago. The link you provided solved the issue, thanks.