It looks like you have a lot of custom ppa's installed. You need to remove all
of them before proceeding with an upgrade. Consider the tool, 'ppa-purge'.
Closing bug and moving to support area
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** Changed in: update-manager (Ubuntu)
Status: Incomplete => Invalid
** Converted to question:
https://answers.launchpad.net/ubuntu/+source/update-manager/+question/168883
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https://bugs.launchpad.net/bugs/828048
Title:
update-manager -d crashed, i tried just one
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