Hi,
Whenever you launch pgAdmin 4 in runtime mode, it will open in your
system's default browser. If you want to open the application in another
browser then you can set that with pgAdmin 4 Tray Icon > Configure window.
Regarding the Unauthorised error, as Dave said in the same email thread :
>
I'm also experiencing this issue using Internet Explorer 11 (which I have
to use) on Windows 7.
When I launch pgAdmin, I always get an error message saying
Unauthorized
The server could not verify that you are authorized to access the URL
requested. You either supplied the wrong credentials (