Error processing archive while trying to upgrade
3257
dpkg error: "trying to overwrite file, which is also in..."
144507
No facility exists in Update Manager to upgrade to a new version, why?
65099
Unable to install any updates through update manager/apt-get upgrade
13970
Why am I not getting the Ubuntu 18.04 upgrade?
4305
How do I fix a "Problem with MergeList" or "status file could not be parsed" error when trying to do an update?
76905
Failure [INSTALL_FAILED_ALREADY_EXISTS] when I tried to update my application
69747
Error while installing, upgrading or autoremove: insserv warning: script 'K01runlcactivator' and 'runlcactivator'
67481
How to revert a do-release-upgrade?
116445
"Can't check signature: public key not found" while upgrading, why?
2670
Why is "No new release found" when upgrading from a LTS to the next?
49149
How do I solve "Unable to fetch some archives, maybe run apt-get update or try with --fix-missing" error?
74990
Error while trying to upgrade from Ubuntu 18.04 to 18.10: "Please install all available updates for your release before upgrading."
23096
How to remove obsolete packages after failed release upgrade via do-release-upgrade on Ubuntu?
76241
"no public key available" while upgrading using update-manager
10023
'Some index files failed to download' while updating
22615
How to upgrade shared library without crash?
56150
Can't upgrade/update ubuntu 18.04 as apt/dpkg error is showing up