[lenor]

Try deleting gta_sa.set located in "My Documents -> GTA San Andreas User Files"

Try installing http://download.microsoft.com/downlo...010_redist.exe by choosing an empty folder then installing it through DXSETUP.exe from that folder

Try downgrading to 0.3z R1 http://files.sa-mp.com/sa-mp-0.3z-R1-install.exe