Server :: An Unresolvable Problem Occurred While Calculating The Upgrade

Dec 21, 2010

I am trying to update from ubuntu 10.04.1 to 10.10 using the do-release-upgrade command. I get this error:

Code:

An unresolvable problem occurred while calculating the upgrade: The package 'update-manager-core' is marked for removal but it is in the removal blacklist.

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

The first two can't be correct right? So... If the third one is true. How can I find these packages? Or, is there any other way to upgrade to 10.10?

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Ubuntu Installation :: Error Upgrading To 10.10 - An Unresolvable Problem Occurred While Calculating The Upgrade

Apr 26, 2011

I have just tried to upgrade to Ubuntu 10.10 from 10.04 using the update manager

It asks me for me password and then a window opens saying "Upgrading Ubuntu to version 10.10"

It gets to "setting new software channels" then a message pops up saying "third party sources disabled" next a little error icon appears in the Notification Area then another message saying: Could not calculate the upgrade

An unresolvable problem occurred while calculating the upgrade: E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.

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 against the 'update-manager' package and include the files in /var/log/dist-upgrade/ in the bug report.

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I keep getting the following msg as I try to upgrade from 10.04 -> 10.10 ... "Could not calculate the upgrade An unresolvable problem occurred while calculating the upgrade: E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages. This can be caused by:

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If none of this applies, then please report this bug against the 'update-manager' package and include the files in /var/log/dist-upgrade/ in the bug report." I don't think any of the issues above apply - can anyone offer advice on how to get around or "force " the upgrade

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[code]....

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[Code]...

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