I am trying to upgrade my machine from 10.04 to 12.04 LTS but I get the following error. The same error occurs both in GUI and in terminal while doing dist-upgrade.

E:Error, pkgProblemResolver::Resolve generated breaks, 

  this may be caused by held packages.

I've tried to remove libcv-dev as suggested in a comment to this blog post but I don't have libcv-dev installed on my machine.

Package libcv-dev is not installed, so not removed

The pastebin link for the contents of /var/log/dist-upgrade/apt.log - http://pastebin.com/2GTRYNAY

How do I resolve the error and upgrade my machine to 12.04?

I've tried the solutions given in the following answer but it didn't work for me:

• pkgProblemResolver error when running Package Manager and updating 12.04

These are the terminal output of commands mentioned in those answers:

$ sudo apt-get -f install

Reading package lists... Done

Building dependency tree       

Reading state information... Done

0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.



$ sudo apt-get remove evolution-plugins

Reading package lists... Done

Building dependency tree       

Reading state information... Done

Package evolution-plugins is not installed, so not removed

0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.



$ sudo apt-get upgrade

Reading package lists... Done

Building dependency tree       

Reading state information... Done

0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.



$ sudo apt-get dist-upgrade

Reading package lists... Done

Building dependency tree       

Reading state information... Done

Calculating upgrade... Done

0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.