[Bug 1356142] Re: not able to upgrade from 12.04 to 14.04

I removed the Samba4 beta from my machine and the upgrade could proceed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1356142 Title: not able to upgrade from 12.04 to 14.04 To manage notifications

[Bug 1362807] [NEW] Tried to upgrade, told It could not happen

Public bug reported: Error message 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 software packages not pro