query: Cannot open Update Manager
positive_passages.docid: 2694
positive_passages.text: How do I remove a malformed line from my sources.list?
negative_passages.docid: 36529
negative_passages.text: How to revert an update?
negative_passages.docid: 86777
negative_passages.text: Distribution upgrade problem "No new release found"
negative_passages.docid: 27688
negative_passages.text: Update-manager does not show all updates
negative_passages.docid: 15687
negative_passages.text: How do I resume a release upgrade?
negative_passages.docid: 146675
negative_passages.text: Error 101: Network is unreachable when trying to update
negative_passages.docid: 128873
negative_passages.text: Windows update giving error 80070002 and manual update not working how to update?
negative_passages.docid: 35190
negative_passages.text: "Software Updater" & "Software & Updates" not working
negative_passages.docid: 148872
negative_passages.text: I can't select updates in Update Manager
negative_passages.docid: 136133
negative_passages.text: Could not open lock file /var/lib/apt/lists/lock - open (13: Permission denied)
negative_passages.docid: 153212
negative_passages.text: Ubuntu shut down while updating?
negative_passages.docid: 48809
negative_passages.text: "The upgrade has aborted" error, how to proceed?
negative_passages.docid: 5316
negative_passages.text: Update from 14.04 to 16.04 failed with GPG error
negative_passages.docid: 112432
negative_passages.text: Software Center not Opening at all Error
negative_passages.docid: 75621
negative_passages.text: Store won't open after upgrade
negative_passages.docid: 94793
negative_passages.text: How do you run update-grub?
negative_passages.docid: 81501
negative_passages.text: Ubuntu software center isn't opening!