Security check point dont work

Hello, i cant log on my fb , i was on my Browser i deleted an ps4 achivemennt published on my fb and the fb loged of and started a securyty checkpoint but i press start and nothing happends! Y deleted cookies, clean history, scaned my PC i have Avast premiun and i dont have malwares, searched on the web AND cant find a Solution, i pres start and nothing happends! Please i need my fb for work help me