Have you tried the following workaround? Assume the ssid of you network is called "mynetwork":
sudo gedit /etc/NetworkManager/system-connections/mynetwork
eliminate a line that says: system-ca-certs=true
Substitute "mynetwork" by the name of your wifi network.
Have you tried the following workaround? Assume the ssid of you network is called "mynetwork":
sudo gedit /etc/NetworkMan ager/system- connections/ mynetwork
eliminate a line that says: ca-certs= true
system-
Substitute "mynetwork" by the name of your wifi network.