Heeeyhry! I was wondering, can you try this solution posted in the HLL Discord please?
(Q) I keep seeing dark shadows and strange visual issues. What can that be?
(A) Please reset all settings in the Nvidia Inspector and DDU reinstall the Nvidia Drivers. This should clear these isues.
https://cdn.discordapp.com/attachments/636206703582380032/810996242628739152/20210215222205_1.jpg
https://cdn.discordapp.com/attachments/630578562587557888/811221358650458112/unknown.png