You can disable your Proxy (VPN), and then refresh the browser.
In some cases you cannot avoid a proxy server, for example because you have to make use of your company's Proxy server, or maybe you use VPN to protect your online privacy. In these cases we can Whitelist the IP adres of your Proxy server, to give you acces. Just send us your request by mail. You can find your (proxy) IP adres by a google search: what is my IP