: Creating a new Windows administrator account (local, not linked to a Microsoft/OneDrive account) can bypass deep-seated profile corruption issues. Launcher Reinstall : Completely uninstall the Rockstar Games Launcher , delete its folders in %USERPROFILE%\Documents\Rockstar Games , and perform a clean reinstall of the latest version.
It sounds obvious, but GTA IV requires a small amount of "buffer" space on your C: drive to manage temporary swap files during the save process. gta 4 save failed please check your storage link