Home page not available after software upgrading on a raspberry PI 5

Goodmorning everyone!
This is my first post in this home assistant site.

I’m using home assistant on a raspberry PI 5. one month ago i run a software home assistant update and after this task i didn’t available to access to HA home page.
Some of you could help me in order to understand what could be happened and avoiding to reinstall everything?

Thansks in advance,
Alessandro