Cause: Very old repacks (from 2014–2016) used DLLs built against older Steamworks SDKs. Modern Windows security features (Control Flow Guard, ASLR) can conflict.
When downloading a repack of GRID Autosport, you might encounter one of the following errors: steamapidll for grid autosport repack
GRID Autosport is a 64-bit game, so most repacks use steam_api64.dll. The base name (steamapi.dll without underscore) is rarer. Check your game’s executable (right-click → Properties → Details). If it says "64-bit", you need the 64-bit version. Cause: Very old repacks (from 2014–2016) used DLLs
If you have the file and it is not deleted, but the game still won't launch: When downloading a repack of GRID Autosport, you
Disclaimer: This guide is for informational and troubleshooting purposes regarding software file structures. Ensure you comply with the laws of your region regarding software usage.