No access to web UI

I am having troubble to get th hassio web ui in my browser.
I can get to the configurator in the browser with my login , but no connection with hassio web ui.
what am i doing wrong ?
Thanks

What are you typing into your browser?

Try typing the direct IP if you are using hassio.local. (i.e. 192.168.1.1:8123)

Yes , tried that.
Paige said , site not available …
I have tried all combinations, no luck
Also tried to get to command screen from rpi with putty but my password
wont work , can I do a reset ?