Update... I finally went back to my Sept conf and vhosts files. With the
old configuration files, acme-challenge folder became available again.
So I was able to get my certs refreshed, and I then restored the current
conf files. That at least tells me it's something in the conf files.
But I
I have an apache install that has been up and running for months. I use
LetEncrypt for certificates. I went to renew all of my certificates
using an automated script that worked fine 3 months ago on the last
refresh. It failed on every domain saying the challenge file was not
found. I put a