Some basic troubleshooting steps for dxgi.dll errors in general:
https://www.lifewire.com/how-to-fix-dxg ... rs-2623370In this case though, verifying the files or completely reinstalling NBA 2K26 might be the place to start. Here's Steam's guide to verifying the integrity of game files if you're unfamiliar with that process:
https://help.steampowered.com/en/faqs/v ... -DA71-93EBThat last screenshot seems to suggest that Windows Security has flagged the .dll file as suspicious and is blocking it, which is preventing the game from loading since it's a required file. It might be a case of going into Windows Security and removing that block/creating an exception for the file, though it's possible it's simply been corrupted or not installed properly when the update came through. With that in mind, verifying the game files is probably still the best place to start.