Without details from the poster we can't get any further:
with Catalina I sometimes noticed black buttons (no icon),
with Monterey I noticed a black window after logging in from the login screen.
So, ....
;JOOP!
Ventura is full of bugs. From Photos to the System Settings
I have a new Mac Studio M2 I should be able to enjoy it: it's fast , great , too bad for the software
I cannot go back to Monterey because the studio came with Ventura sigh sigh but I would if I could