Hi,
First, do you use or ever used mods?
If yes, try to perform a clean install as explained here :
Welcome to CD PROJEKT RED Technical Support! Here you will find help regarding our games and services, as well as answers to frequently asked questions.
support.cdprojektred.com
If you never used mods (not once), check everything suggested by the support. If nothing works and if it's not already done, send a ticket to the support for help ("contact us" button). The sooner, the better.
Welcome to CD PROJEKT RED Technical Support! Here you will find help regarding our games and services, as well as answers to frequently asked questions.
support.cdprojektred.com