repositories - Only one package repository available, seems to have caused problems - TeX

When I try to install packages or updates, this is the only repository available (see below). The Warning message says your MiKTeX version is outdated. When I tried to updated MiKTeX using this repository, I started having problems compiling tex files that used to work. This repository has been the only one available to me for about a week now -- on several machines in the same geographic location. Any suggestions?...Read more