Erreur Installation

Hello everyone, 

I tried to install Norton (Bbox option) but I keep getting this error message. 
The installation works on the iOS application, but impossible on my Macbook (MacOS 10.15.2). I tried the installation 6 times, downloading with Chrome and Safari, but the same problem at the end ... 

 

While my screenshot is moderated, I write the error message here: 

"INSTALLATION FAILED, your installation program does not work correctly"


Do you have an idea to solve this problem? 
I would have liked to try Norton via my month offered with Bbox before going to the "official" version by buying a license directly on MyNorton, but if it makes me the same ... 

In advance, thank you very much for your feedback!