Ask Ubuntu is a question and answer site for Ubuntu users and developers. Join them; it only takes a minute:

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

Before upgrading from Firefox 4 to Firefox 5, my interface was Dutch. After the upgrade, it suddenly became English.

Is this a bug in Firefox 5 or am I missing something?

Output of apt-cache policy firefox:

  Installed: 5.0+build1+nobinonly-0ubuntu0.11.04.1
  Candidate: 5.0+build1+nobinonly-0ubuntu0.11.04.1
  Version table:
 *** 5.0+build1+nobinonly-0ubuntu0.11.04.1 0
        500 natty-updates/main amd64 Packages
        500 natty-security/main amd64 Packages
        100 /var/lib/dpkg/status
     4.0+nobinonly-0ubuntu3 0
        500 natty/main amd64 PackagesI u

I upgraded from 4.0.1+build1+nobinonly-0ubuntu0.11.04.3.

share|improve this question
up vote 5 down vote accepted

You need to install the package


where code is the two-letter symbol of your language.

share|improve this answer

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.