White Cubase project icons after Cubase 11 install

I updated to Cubase 11 and all my Cubase project icons turned to white instead of the Cubase logo.
Can someone help?

(original post:
j’ai fait les mises à jour de Cubase 11 et depuis tous mes icones sont complètement blanc au lieu d’avoir le logo de Cubase. Quelqu’un peut m’aider ?)

Hi, welcome to the community.
This is an English-language forum (and German in dedicated sections).

What is your operating system?
Did you install the latest maintenance update 11.0.30?
Did you restart your computer after install ?
Maybe reinstall Cubase 11.

If you are on Windows 10, reassociating your Cubase project files with Cubase in your OS settings may probably help.