Well no need i found a way to cure it
I am posting the solution if anyone needs it
This is usually caused by the settings file.
Open the My Documents folder.
Then open the GTA San Andreas User Files folder.
In there should be a gta_sa.set file - delete it (your game settings will all revert to default and will need configuring again, savegames are unaffected).
You should now hopefully be able to play the game.
Topic maybe locked now