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Ubuntu 16.04 LTS 'Xenial Xerus' is no longer supported

You are about to upgrade to a version of Ubuntu that is no longer supported.

This release of Ubuntu is no longer supported by Canonical. The support timeframe is between 9 months and 5 years after the initial release. You will not receive security updates or critical bugfixes. See http://www.ubuntu.com/releaseendoflife for details.

It is still possible to upgrade this version and eventually you will be able to upgrade to a supported release of Ubuntu.

Alternatively you may want to consider to reinstall the machine to the latest version, for more information on this, visit: http://www.ubuntu.com/desktop/get-ubuntu

For pre-installed system you may want to contact the manufacturer for instructions.

Feedback and Helping

If you would like to help shape Ubuntu, take a look at the list of ways you can participate at

  http://www.ubuntu.com/community/participate/

Your comments, bug reports, patches and suggestions will help ensure that our next release is the best release of Ubuntu ever. If you feel that you have found a bug please read:

  http://help.ubuntu.com/community/ReportingBugs

Then report bugs using apport in Ubuntu. For example:

  ubuntu-bug linux

will open a bug report in Launchpad regarding the linux package.

If you have a question, or if you think you may have found a bug but aren't sure, first try asking on the #ubuntu or #ubuntu-bugs IRC channels on Freenode, on the Ubuntu Users mailing list, or on the Ubuntu forums:

  http://help.ubuntu.com/community/InternetRelayChat
  http://lists.ubuntu.com/mailman/listinfo/ubuntu-users
  http://www.ubuntuforums.org/

More Information

You can find out more about Ubuntu on our website, IRC channel and wiki. If you're new to Ubuntu, please visit:

  http://www.ubuntu.com/

To sign up for future Ubuntu announcements, please subscribe to Ubuntu's very low volume announcement list at:

  http://lists.ubuntu.com/mailman/listinfo/ubuntu-announce