I encountered this error in a Xenial->Bionic upgrade today, with current
(final) Bionic (18.04.1).
Installation didn't complete, then trying apt-get -f install resulted in
the message
apt-get: error while loading shared libraries: libzstd.so.1: cannot open
shared object file: No such file or
Linux Mint XFCE 18.3 boots OK on my HP x360 laptop so I currently use
that to boot Xubuntu 18.04 on another partition. Will Xubuntu 18.04 be
fixed soon so people don't have this boot problem on uefi computers?
Thanks
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Bugs,
My situation breaking the install was a legacy install, to a disk
partition with another Ubuntu installation (16.04) maintaining the
bootloader files. The install was done without a bootloader (select an
empty USB, and the error dialog allows you to procede without a
bootloader). The update
