Cannot connect secure to octopi.local

What is the problem?
Cannot connect secure to octopi.local

What did you already try to solve it?
New latest image on pi & setup
Updated to latest Java
Able to connect once ( ignoring security stuff), then no more
Read the lengthy instructions to set up certificates- head exploded

Logs (syslog, dmesg, ... no logs, no support)
Do not have..anytime I try to connect, says connection not secure ( Chome, Firefox, explorer)

Additional information about your network (Hardware you are trying to connect to, hardware you are trying to connect from, router, access point, used operating systems, ...)

Network is att router connected to Deco mesh network

I’ve used before with intermittent results / older version.. has always been hit/ miss on connection success..