Thank you for coming in, welcome into the Community
I am sorry to read about the recent interruptions on the TV services, I have been looking into this and have been able to find an issue with the TiVo's signal levels along with some broadband power levels. This would require an engineer to help adjust this and bring this back to a normal operation.
If you can have a little look inside your 'Inbox', you'll see I've sent you a 'Private Message'. You can find this at the top right of the page, purple envelope