Hi Yaroslav
Please look into https://www.pgadmin.org/faq/#12
On Sat, 14 Nov, 2020, 6:51 pm Yaroslav Novichihin, <
yaroslav(dot)novichihin(at)gmail(dot)com> wrote:
> Hello.
>
> I've updated PgAdmin from 4.27 to 4.28 (x64) and it doesn't work. After
> launching the server I see the following error (see screenshot in
> attachments). My browser is MS Edge (WebKit), but it doesn't work also in
> Chrome and Firefox.
>
> Tell me, pls, how Can I fix this error?
>