Could not calculate the upgrade, what happened?

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I am running sudo update-manager -d and start the upgrade process. I select upgrade option and when then manager enters Setting new software channels it throws an error.

Could not calculate the upgrade An unresolvable problem occurred while calculating the upgrade. This can be caused by: * Upgrading to a pre-release version of Ubuntu * Running the current pre-release version of Ubuntu * Unofficial software packages not provided by Ubuntu If none of this applies, then please report this bug using the command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal.

I have disabled all unofficial and third party packages, I am not running a pre-release version since I am at 13.04 and I am trying to update to beta 2 which is not a pre-release. Before I fill a bug report, since its happening to both of my systems I would like to figure out if anyone else had same issues.

EDIT: added output for comment.

$ sudo dpkg -l | grep -w "rc"` rc google-chrome-beta...
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Code:

$ sudo do-release-upgrade -d Checking package manager Reading package lists... Done Building dependency tree Reading state information... Done Building data structures... Done Calculating the changes Calculating the changes Could not determine the upgrade An unresolvable problem occurred while calculating the upgrade. This can be caused by: * Upgrading to a pre-release version of Ubuntu * Running the current pre-release version of Ubuntu * Unofficial software packages not provided by Ubuntu If none of this applies, then please report this bug using the command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. Restoring original system state

Code:

root@Jupiter:/var/log/dist-upgrade# cat main.log | grep ERROR 2013-10-19 11:41:09,993 ERROR Dist-upgrade failed: 'E:Unable to correct problems, you have held broken packages.'

Code:

root@Jupiter:/var/log/dist-upgrade# cat apt.log | grep -i broken Broken cups-filters:amd64 Conflicts on...
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Ubuntu 14.04 has been released. There are several new features in Ubuntu 14.04, if not plenty. All excited about it? Can’t wait to get your hands on Ubuntu 14.04? If you are using Ubuntu 13.10, you can simply upgrade to Ubuntu 14.04 instead of downloading and installing it via USB.

Upgrade to Ubuntu 14.04 from Ubuntu 13.10:

To upgrade Ubuntu 13.10 to Ubuntu 14.04, start Software Updater by going to Unity Dash (press Windows key) and search for the Updater.

Run the Software Updater. In here, you should see a message like:

The software on this computer is up to date.

However Ubuntu 14.04 is now available (you have Ubuntu 13.10).

Just click on Upgrade to start the upgrade process to Ubuntu 14.04. It will bring you to a welcome screen with release notes.

It will take some time in downloading the files and installing them. All you have to do is to wait for the upgrade process to finish. I hope you find this quick...

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Something's amiss here. The OP and its title clearly read "from 10.04 to 10.10". So, which is it? Upgrading or downgrading?

Assuming you have not found a solution yet, I would recommend that you spare yourself a lot of grief and simply do a

clean install

of Ubuntu 10.10. If you have a separate home partition then all of your data and user settings will be saved. If you do not have a separate home partition then this is a good time to create one.

Doing dist-upgrades of Ubuntu tends to be hit or miss. I believe a lot of the difficulty stems from the fact that many users have added a boatload of third party repos to their sources.list. In any case, a clean install of 10.10 will likely be the fastest way to get 10.10 up and running.

Last edited by tommcd; 10-12-2010 at . ...
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When upgrading from 15.10 to 16.04 went ok until we got the could not calculate the upgrade error message.

I read if there are unofficial software packages it could be the problem. How would I know what packages are unofficial and how exactly would I remove them?

Long time Ubuntu user over 7 years if that helps.

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: ubuntu-release-upgrader-core 1:15.10.14.4
ProcVersionSignature: Ubuntu 4.2.0-35.40-generic 4.2.8-ckt5
Uname: Linux 4.2.0-35-generic i686
ApportVersion: 2.19.1-0ubuntu5
Architecture: i386
CrashDB: ubuntu
CurrentDesktop: Unity
Date: Thu Apr 21 17:02:46 2016
InstallationDate: Installed on 2016-02-25 (55 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release i386 (20150422)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to wily on 2016-04-21 (0 days ago)
...

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What if you don't use iCloud? I don't use iCloud on my iPhone, iPad, or MacBook Pro, but after installing El Capitan, I now have none of the calendars that used to show under "On My Mac". I have roughly a dozen custom calendars that are now gone. Is there a Library location I can pull out of my Time Machine backup to make them reappear? Any other way to retrieve them?

I haven't synced my phone yet, and it still has them on it. Incidentally, my exchange account wouldn't connect for Calendar or Contacts in spite of the correct user name and password. Deleting and recreating the account fixed that, so at least I have a handful of events on my calendar back. I doubt it's related, but thought I'd mention it just in case.

I'm still missing the vast majority of my calendar events, and I need them back. Any help or suggestions would be greatly appreciated.

Thank you all in advance

(MacBook Pro Retina 13" Mid 2014, upgraded from Mavericks directly to 10.11.1;...

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Public bug reported: 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...
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I'm running Ubuntu 12.04 on EC2 and I want to upgrade to 14.04.

do-release-upgrade returns that there are no upgrades.

do-release-upgrade -d begins to work and then halts stating:

Calculating the changes Could not calculate the upgrade An unresolvable problem occurred while calculating the upgrade. This can be caused by: * Upgrading to a pre-release version of Ubuntu * Running the current pre-release version of Ubuntu * Unofficial software packages not provided by Ubuntu If none of this applies, then please report this bug using the command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. Restoring original system state Aborting

I've been searching for a couple hours and have yet to find the right way to ask this question to lead to an answer. Starting from scratch is not a simple thing as I've do a lot to this VM, it's actually a template for a fairly decently large army. Anyway, I'm not a n00b. Help would be very...

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