Head over to the Library tab in the Steam window by locating the Library tab at the top of the window, and locate Fallout 76 in the list of games you own in your library. Start Steam by double-clicking its icon on the Desktop or by searching for it in Start menu.If you have purchased and installed the game via Steam, you have access to a great option which enabled you to check the game’s installation for missing or corrupt files and the utility will enable you to redownload and replace these files which can indeed solve many problems regarding the game. Solution 1: Verify Integrity of Game Files
If that is the case, verifying the game’s files (Steam version) or reinstalling the game might help.