*** This bug is a duplicate of bug 1308338 ***
    https://bugs.launchpad.net/bugs/1308338

I upgraded to 16.04.  It upgraded but gets a : Sorry internal error.  It
come up but to select and install software from the software library does
not work.  how do i get back to older versions of ubuntu?

On Sun, Oct 1, 2017 at 1:11 PM, Paul Garff <[email protected]> wrote:

> Thanks for your help.  Upgrade to 14.04 was successful.
>
> On Fri, Sep 29, 2017 at 10:19 AM, Ubuntu Foundations Team Bug Bot <
> [email protected]> wrote:
>
>> *** This bug is a duplicate of bug 1308338 ***
>>     https://bugs.launchpad.net/bugs/1308338
>>
>> ** Tags added: precise2trusty
>>
>> ** This bug has been marked a duplicate of bug 1308338
>>    Ubuntu 12.04 LTS -> 14.04 LTS upgrade fails if Flight Gear installed
>>
>> --
>> You received this bug notification because you are subscribed to the bug
>> report.
>> https://bugs.launchpad.net/bugs/1720355
>>
>> Title:
>>   ubuntu 14.04 - Could not calculate upgrade
>>
>> Status in update-manager package in Ubuntu:
>>   New
>>
>> Bug description:
>>   I would like to upgrade from linux ubuntu version 12.04  to 14.04 but
>>   the configuration manager fails after the files download.   I've been
>>   trying to do this for several months.  What is the chance of upgrading
>>   to a later version?  The only version that is available to me is
>>   14.04.
>>
>>   The message I keep getting is:
>>   An unresolvable problem occurred while calculating the upgrade.
>>
>>   Please report this bug against the 'update-manager' package and include
>> the following error message:
>>   'E:Error, pkgProblemResolver::Resolve generated breaks, this may be
>> caused by held packages.'
>>
>>   ProblemType: Bug
>>   DistroRelease: Ubuntu 12.04
>>   Package: update-manager 1:0.156.14.22
>>   ProcVersionSignature: Ubuntu 3.2.0-126.169-generic 3.2.79
>>   Uname: Linux 3.2.0-126-generic i686
>>   ApportVersion: 2.0.1-0ubuntu17.15
>>   Architecture: i386
>>   Date: Fri Sep 29 06:39:40 2017
>>   GsettingsChanges:
>>    com.ubuntu.update-manager check-new-release-ignore 'trusty'
>>    com.ubuntu.update-manager first-run false
>>    com.ubuntu.update-manager launch-time 1506688443
>>    com.ubuntu.update-manager window-height 876
>>    com.ubuntu.update-manager window-width 1375
>>   InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386
>> (20110427.1)
>>   MarkForUpload: True
>>   PackageArchitecture: all
>>   SourcePackage: update-manager
>>   Symptom: ubuntu-release-upgrader-core
>>   UpgradeStatus: Upgraded to precise on 2017-09-29 (0 days ago)
>>   VarLogDistupgradeTermlog:
>>
>> To manage notifications about this bug go to:
>> https://bugs.launchpad.net/ubuntu/+source/update-manager/+
>> bug/1720355/+subscriptions
>>
>
>

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https://bugs.launchpad.net/bugs/1720355

Title:
  ubuntu 14.04 - Could not calculate upgrade

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