How do I fix 'this connection is not private' error for all internet connections on Sequoia?

frankfromsanta rita wrote:

Sequoia all internet connections fail with banner “this connection is not private” close page.

[Re-Titled by Moderator]

See if changing anything here—

>System Settings>Network>Wifi>Details> if this is off, turn it on

frankfromsanta rita wrote:

Checked ….. private address on fixed. Restarted imac internet/email still not working.

first mention of Mail.

Old issue, new issue, what changed?

Have you shut down all devices and restarted... modem/router/mac (?)

If you re using a VPN— disable / uninstall it and compare your results.

Uninstall all third party apps that are Cleaners/Optimizers/VPN/Anti-Virus

all known to cause issues on the macOS

ref: If Safari doesn't open a page or work as expected on your ...

Have you contacted your Internet Service Provider for known issues?