Could not calculate the upgrade

Asked by rajsh

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.

I am upgrading to 10.4 to 10.10

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Ubuntu update-manager Edit question
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wojox (wojox) said :
#1

Thisshould fix the problem:

sudo apt-get clean
sudo apt-get auto clean
sudo apt-get update
sudo apt-get upgrade
sudo apt-get dist-upgrade

After upgrade you will see "The following packages have unmet dependencies:", go to synaptic and un-mark all, then mark the package with "unmet dependencies".

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