[Bug 1787383] [NEW] Cant update Kubuntu 16.04 to 18.04 update crashes displaying "could not calculate the update"

Public bug reported: Update crashes with the screen: Could not calculate the upgrade An unresolvable problem occurred while calculating the upgrade. This can be caused by: * Upgrading to a pre-release version of Ubuntu * Running the current pre-release version of Ubuntu * Unofficial softwar

[Bug 1787383] Re: Cant update Kubuntu 16.04 to 18.04 update crashes displaying "could not calculate the update"

Thank you Brain for your time. I tried your recommendation still the same crash happening. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1787383 Title: Cant update Kubuntu 16.04 to 18.04 update cras

[Bug 1787579] [NEW] Cant update Kubuntu 16.04 to 18.04 updater crashes displaying "could not calculate the update"

Public bug reported: Updater crashes with screen as I reported earlier "https://bugs.launchpad.net/ubuntu/+source/ubuntu-release- upgrader/+bug/1787383". Removed the kubuntu-backports PPA as recommended by Brian, still the same problem. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: ubuntu

[Bug 1787383] Re: Cant update Kubuntu 16.04 to 18.04 update crashes displaying "could not calculate the update"

Hi Brian, I opened a new bug report "https://bugs.launchpad.net/ubuntu/+source/ubuntu-release- upgrader/+bug/1787579". Thanks again. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1787383 Title: Cant

[Bug 1787579] Re: Cant update Kubuntu 16.04 to 18.04 updater crashes displaying "could not calculate the update"

Thanks a lot Brian it worked. removed kubuntu-backports and oibaf /graphics-drivers ppa using the ppa-purge then update issue was fixed and now upgraded to 18.04. Thanks again for your valuable time. ** Attachment removed: "CurrentDmesg.txt.txt" https://bugs.launchpad.net/ubuntu/+source/ubuntu

[Bug 1787383] Re: Cant update Kubuntu 16.04 to 18.04 update crashes displaying "could not calculate the update"

Thanks a lot Brian it worked. removed kubuntu-backports and oibaf /graphics-drivers ppa using the ppa-purge then update issue was fixed and now upgraded to 18.04. Thanks again for your valuable time. ** Description changed: Update crashes with the screen: Could not calculate the upgrade

[Bug 1787383] Re: Cant update Kubuntu 16.04 to 18.04 update crashes displaying "could not calculate the update"

Thanks a lot Brian it worked. removed kubuntu-backports and oibaf /graphics-drivers ppa using the ppa-purge then update issue was fixed and now upgraded to 18.04. Thanks again for your valuable time. ** Attachment removed: "CurrentDmesg.txt.txt" https://bugs.launchpad.net/ubuntu/+source/ubuntu