A5. “No connection” – Please check your firewall/anti-virus setting and add MT4 platform as an exemption or turn off anti-virus/firewall. Also, please ensure you are connected to the internet.“Invalid Account” – Please refer to the e-mail with your MT4 application login credentials and make sure you entered the correct account number and password. In addition, please ensure you have chosen the correct server name: RakutenSecuritiesBullion-live.