If you go to my account, you can turn this off there.
To do so:
1 Log in to MyAccount
2 Select My Services
3 Select View HomeSafe settings
4 Select OFF and confirm when you see the pop-up window
I've escalated to the OCE for you.
For a quicker reply can you please ensure you have your personal information up to date in your profile. Link here - https://community.talktalk.co.uk/t5/user/myprofilepage/tab/personal-profileersonal-info
If you are unsure of your phone number, you can find this in My Account or dial 17070 from your land line phone and this will confirm the number for you.
I'm sorry for the delay. Do you still need assistance with this? Have you tried switching the router off for a full 30 minutes and then retested again as this will reset the current session?