This is the official way to fix missing or corrupt files without downloading risky third-party content.
Run the (download from Rockstar support). If that fails, perform a clean boot of Windows and reapply the fix.
Leo looked at the rearview mirror. His own face looked back, but it was rendered in high-definition textures, every pore a digital stitch. He realized with a jolt of adrenaline that the "File Hare" hadn't fixed his game—it had imported his soul into the source code.