bug#51038: 27.2; ELPA certificate not trusted on Windows

[John Cummings]

Lars Ingebrigtsen <larsi@gnus.org> wrote:

> John Cummings john@rootabega.net writes:
>
> > I believe that this is what you should expect if you are using gnutls
> > 3.6.12 and you have the expired X3 root cert in your trust store.
> Yup. So this isn't a problem on Savannah. Quoting:
>
> -----------------------------------------------------
>
> From: Bob Proulx INVALID.NOREPLY@gnu.org
> certificates (not a Savannah problem) then please upgrade your client to the
> latest security patches for your system.

Is there a recommended way to do that for the Windows builds of Emacs published 
to ftp.gnu.org?