This was fixed in the upload of update-manager 1:0.156.12:
update-manager (1:0.156.12) precise; urgency=low [...] [ Michael Vogt ] [...] * remove skype from the removal blacklist update-manager will now be able to complete the upgrade, even if skype must be removed in the process. The skype package can be reinstalled immediately after upgrade. ** Changed in: update-manager (Ubuntu) Status: Triaged => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/982859 Title: Upgrade from 10.04 to 12.04 breaks if skype is installed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/982859/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs