Can't upgrade using a liveUSB, through the newer version is recognized
59088
How to upgrade to a newer release of Ubuntu using the Live CD?
115421
Ubuntu 13.10 to 14.04 Lts does not upgrade, keeps showing error
5820
How to fix the “Unable to calculate upgrade” issue from command line when upgrading from 12.04 to 14.04?
31287
Live USB for installation does not boot, black error screen followed by visual artifacts on a purple screen
93942
How to fix "Failed to download repository information" error while updating?
100494
Update Manager asking me to update kernel but apt-get upgrade does not?
107993
Unable to upgrade Windows 10 edition from Home to Pro
86777
Distribution upgrade problem "No new release found"
22615
How to upgrade shared library without crash?
130968
Can't open a separate usbdrive when booting from a liveusb install 12.10
30754
Cannot update: "No available releases found"
9901
How to upgrade from 18.10 to 19.10, using the command line?
56150
Can't upgrade/update ubuntu 18.04 as apt/dpkg error is showing up
20751
Problem upgrading Ubuntu 9.10
121201
Why can't I update applications without upgrading the whole OS?
211
Can I skip over releases when upgrading?
19288
Update manager doesn't offer an upgrade to the new release