User Activity

I have been using Thunderbird for year and done many new installation. When I try to install it now I get this message on "add security exception"
I have been using dual-band wireless USB adapter for years.I decided to upgrade to 802.11ac adapter.  (Wifi5)My Home Hub was set up withe same SSID for both 2,4 and 5,0 GHz channels.I began experiencing intermittent disconnects.   After multiple tria...