verify your game files yet ?
if no .. do so . also run the game with Admin rights
also
please see https://support.ubi.com/en-GB/faqs/0...oubleshooting/
if you still have an issue please contact Ubisoft Support Directly
you can do so from that above LINKED page .. or here
https://support.ubi.com
please include your MS info and DX diag files to your support ticket
see this page on how to do that ...
https://support.ubi.com/en-GB/faqs/000026442/