well try this steps
1.press repair install in bf4 game client in origin
2.re-install origin
3.log out and log in to origin and battlelog
4.delete your browse history
5.try a defferent browse
if non helps contact Origin/EA support they will gladly help you whit this problem https://help.ea.com/en/origin go here press contact as give information press i still need help at the bottom of the page and then press start live chat and you will get a live chat whit an EA agent that will be glad to help you
if this helps pleas give XP to my account thanks
mark it as solution if it solves your problems so others can see it and fix it to