These forums are handy for seeing if other players have had the same issues as you or have found workarounds, but to report bugs to Larian you can use the form on the support section of their website. The "Report a Bug" link up at the top of the game launcher will take you to the right place.

"You may call it 'nonsense' if you like, but I've heard nonsense, compared with which that would be as sensible as a dictionary!"