Buenas tarde.
Install an update in univention and now it shows me the following image:
I’m not the server administrator, what can I do?
To solve the error, refer to the following article:- https://cheapsslweb.com/blog/fix-err_connection_timed_out-error-in-chrome/.
I hope it helps!
clear browser cache - use a different browser - the used one cached the no more extisting data