Reinstalled firefox and get "connection not secure" for everything including mozilla.org
I am using a Mac OS X 10.11
Other browsers can connect to sites - only Firefox can't connect
Modified by goette01
Additional System Details
- User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36 OPR/50.0.2762.67
There is security software like Avast, Kaspersky, BitDefender and ESET that intercept secure connections and send their own certificate.