Return to the game. You may need to repeat this every time you launch the game unless you create a custom batch file to automate it.

: Search for DINPUT8.dll for GTA SA on trusted sites like Speedrun.com or GitHub .

: Drag and drop the downloaded dinput8.dll file into the main folder where gta_sa.exe is located.

Open (Ctrl+Shift+Esc) and go to the Details tab. Right-click gta_sa.exe and select Set Affinity . Uncheck All Processors and select only CPU 0 .

If the mouse stops working suddenly while playing, try these quick steps: I'm having trouble with san andreas and my mouse. : r/GTA

: Launch GTA SA, and your mouse should now function correctly every time you play. Alternative Method: Set CPU Affinity

If your mouse is stuck or clicking doesn't work in Grand Theft Auto: San Andreas on Windows 10, it is likely because the game was not designed for modern multi-core processors or newer DirectInput versions.