Check your antivirus quarantine folder to see if steamhdll.dll was blocked and restore it. Add an exception for the game installation folder.
The most common fix is to let Steam check the game's installation.
How to Repair your Game Library on STEAM if Not Working (Best Method) 24 Sept 2025 —
Before diving into complex file repairs, try elevating the game's permissions. This often bypasses restricted access to the library file. Right-click the shortcut on your desktop. Select Properties > Compatibility tab. Check the box: Run this program as an administrator .
If verification fails repeatedly, uninstall, delete game folder manually, reinstall.