After installing, going to the game launcher, press start but it wont start. Reinstall and works but everytime after i quite the game, i need to reinstall it to run. Please help me, problem keep persisting,

Sometime it just doesnt do anything when i press play but exit the game launcher, other times it says

the instruction at 0x01c7757a referenced memory at 0x000000b8. the memory could not be

would appreciate your prompt reply