do you have parental controls active?
check on MYBT and if active you will need to uninstall not just switch off
There is not Parental Control. I tried change DNS manualy but in BT HUB Manager they blocked this option :C i have no idea what to do. I was thinking about changing DNS addres in BT HUB MANAGER but i cant. There is no option to do it even when i disconect internet