Launch your game. Your mouse will now function perfectly without freezing. Alternative Solutions If Problems Persist
Before applying the fix, it helps to understand why this glitch happens: gta san andreas windows 88110 mouse fixzip
This issue happens because modern multi-core processors and updated Windows input systems conflict with the game's older engine. Fortunately, downloading and installing the archive is a quick, permanent solution. Why the Mouse Fails in GTA San Andreas on Modern Windows Launch your game
Open Steam, right-click on Grand Theft Auto: San Andreas , hover over Manage , and click Browse local files . Fortunately, downloading and installing the archive is a
On older operating systems like Windows XP or 7, the way memory was allocated allowed the game to function despite this sloppy coding. However, Windows 8 and 10 introduced more stringent memory management and different handling of the Windows Messaging system. This change caused the game's "Menu On" flag to incorrectly persist even when the menu was closed, tricking the game into thinking the player was still in a menu screen. Consequently, the game would lock the mouse input to prevent the player from moving the camera while "navigating the menu," even though no menu was visible.