Your antivirus software may have flagged the file as suspicious and moved it to quarantine (common with certain game patches).
If verifying the files works temporarily but the error returns after a restart, your antivirus is likely deleting the file again. steamapidll for grid autosport link
: This is the official and safest method. In your Steam Library, right-click GRID Autosport , go to Properties > Installed Files , and select Verify integrity of game files . Your antivirus software may have flagged the file
Extract the .dll file and paste it directly into the . right-click GRID Autosport