I've been seeing this triangle-shaped indicator:

Update information outdated Indicator

Telling me the following information:

"The update information is outdated. This may be caused by network problems or by a repository that is no longer available. Please update manually by selecting 'Show Updated' from the indicator menu, and watching for any failing repositories. "

The Software Updater tells me the system is up-to-date.

As a final note, the indicator seems to go on and off. At first it dissipated without me doing nothing. Then it came back.

  • 2
    OP, can you edit your post to include a question? At the moment it's not entirely clear what you're asking. Commented Jul 20, 2015 at 0:07
  • What is the output when you try sudo apt-get update in the terminal?
    – maliktunga
    Commented Jul 20, 2015 at 1:48
  • Sorry for not forming a question on the first place!
    – Jbastardov
    Commented Jul 22, 2015 at 22:58

1 Answer 1


Using one or more PPAs that don't work might cause this problem sometimes. Run

sudo apt-get update 

to check which PPAs are causing the error and remove them if necessary.

  • After running the command I saw a conflict with the Spotify Stable PPA. I erased only that one and so far haven't seen the issue appear again.
    – Jbastardov
    Commented Jul 22, 2015 at 23:03
  • For those who use Google Chrome: omgubuntu.co.uk/2016/03/…
    – SparK
    Commented Mar 22, 2016 at 15:09
  • Hate to resurrect this, but I ran sudo apt-get update with no issues raised. Is there another way to manually identify any problem PPAs?
    – Sputnik
    Commented Jun 1, 2020 at 15:28

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