[GNC] upgrade from 2.6.12 to 3.5-1 via deb

[Colin Law]

On Mon, 15 Apr 2019 at 13:42, Elmar <etschme at gmail.com> wrote:
>
> Downloaded gnucash_3.5_amd64.deb, and tried to install via the gdebi
> installer and got an red error bar saying "Error:Dependency is not
> satisfiable: gnucash-common (=1:3.5)" I'm running Mint 18.3 with the
> Mate desktop, btw.

Where did you download that from?  If it is Stephen's deb then you
need to download and install all three files

Colin