We'll need more information from you
What device or equipment are you using for the Internet is it a laptop, PC or Apple?
What platform Is it running, e.g. Windows 10 or other?
Have you tried different Internet browsers e.g. Firefox?
Is it wireless or do you have it connected to the HUB with a cable?
Are you using a VPN?
Are you using a third party router?
Is your NIC (Network Interface Card) set for IPv4 or IPv6?
Was it working previously and then threw up an error or was this a first attempt?