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

When I try to update my ubuntu, a window opens which shows downloading the release upgrade tool and then gives an error "authentication failed". Please help.

share|improve this question
3  
How did you try to upgrade? I always do sudo do-release-upgrade in a terminal. – Martin Ueding Nov 24 '12 at 11:55

Your Answer

 
discard

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

Browse other questions tagged or ask your own question.