Hi, Gael. I'm sorry to hear you're having this problem, and I hope I can assist you to find a satisfactory solution.
Below is a tutorial to install via Dism, I believe it will solve your problem:
https://www.kapilarya.com/how-to-enable-net-fra...
Note: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.
Please note: This is a user-to-user community forum. We are users just like you who help others. We are not employees of Microsoft.