After the most recent ESET Internet Security update, I started receiving a popup and warning stating "The ESET LiveGrid servers cannot be reached.   This could be due to an outage or a problem with your network connection.  Allow access to ESET LiveGrid servers on firewall."   I did the test at this help page, ESET detected the file.    After a period of time, the LiveGrid message would go away.  Eventually it comes back.    This happen earlier this year after update but resolved itself. Is