[Bug 797673] Re: upgrade from Ubuntu 10.10 to 11.0.4 64bit is halted

[RedSingularity]

It seems you did have a PPA in use at one point.  The unofficial
packages are what's causing the upgrade to fail.

'http://ppa.launchpad.net/ubuntu-x-swat/x-updates/ubuntu/ maverick/main
amd64 Packages 2.4.21-1ubuntu2.1 0 500 '

This needs to be removed along with its packages.  Consider using the
tool 'ppa-purge' to do this.  (You may need to install it.)  The proper
use of the command would be:

sudo ppa-purge ppa:ubuntu-x-swat/x-updates
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https://bugs.launchpad.net/bugs/797673

Title:
  upgrade from Ubuntu 10.10 to 11.0.4 64bit is halted

Status in “update-manager” package in Ubuntu:
  Incomplete

Bug description:
  Binary package hint: update-manager

  When upgrading i'm getting the following error:

  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

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