When I try: - to obtain store coupons or play some games I most often get "To protect the security of your account, please use another device to sign in." OR "For security reasons, your request cannot be processed at this time."; - to get coins from some games I get "Your access to the game has been revoked due to security reason."; - TO PAY FOR AN ORDER with my card or money transfer I get "Sorry, we have detected unusual traffic from your network. undefined(error: )". It reoccurs periodically!