Mozilla Firefox 38.0.5 - in Win 8 displays message - "This connection is untrusted.."
· In Firefox, type about:config In the address bar and press return.
· After the config page loads, in the filter box type:network.automatic. You should see a search result ofnetwork.automatic-ntlm-auth.trusted-uris
· Modify network.automatic-ntlm-auth.trusted-uris by double clicking the row and enter the relevent siteClick OK, restart and try again.