Mouse issues in Grand Theft Auto: San Andreas on modern Windows are typically resolved by running the game in Windows 98/XP compatibility mode or limiting the game to a single CPU core. Installing community-made solutions, such as SilentPatch or a dedicated DINPUT8.dll, provides a permanent fix for mouse movement and menu navigation issues. For a detailed guide on implementing these fixes, visit Ghacks at Ghacks . I'm having trouble with san andreas and my mouse. : r/GTA