Background of norton screen is no longer visible

Hallo

 

I have a new computer and activated the trial version of Norton valid for 60 Days.

 

A made a mistake during the installation of an Office Software and I had to ge back with that installation.

 

After restarting the computer, and checking Norton, I noticed that the background of the Norton screen was no longer available.

 

How can I get the normal picture of Norton back ?