In mid-November, I first posted a question about the
subject problem, and the problem remains unresolved.
Below is a copy of a follow-up question I posted Dec 1.
Every time I open the Synaptic update manager, the
problem has gotten worse, to the point that now the
upper frame is completely closed
Larry Lauer wrote:
> Could have a look at
> https://www.unixmen.com/quick-tip-fix-gpg-error-badsig-linux-mint-ubuntu/
Thanks Larry. I had found and already done all the steps
described in the unixmen article ... and that did help to
resolve most of the problems that I had reported. However,
the
