[Bug 1803318] Re: Upgrade to 18.04 fails from 16.04

I used Y-PPA-Manager to purge all the PPAs. This is a GUI tool. The Y-PPA-Manager tool can be easily installed using the “WebUpd8” team PPA as shown. $ sudo add-apt-repository ppa:webupd8team/y-ppa-manager $ sudo apt update $ sudo apt install y-ppa-manager After successfully installing y-ppa-man

[Bug 1803318] Re: Upgrade to 18.04 fails from 16.04

Hi Brian, Thank you for your reply. I cannot find any command which deactivate/disable all PPAs. The command i found only removes the PPA and all packages which eventually uninstalls the software. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribe

[Bug 1803318] [NEW] Upgrade to 18.04 fails from 16.04

Public bug reported: I receive this error when i want to upgrade with he software updater GUI. i also receive this error when upgrading using the terminal. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: ubuntu-release-upgrader-core 1:16.04.25 ProcVersionSignature: Ubuntu 4.15.0-39.42~16.04