It won't matter for the fault diagnosis, but you've referred to a TiVo but posted in the V6 board. Which do you have? Check here if you're not sure.
If your live TV is OK, but delayed TV & recorded programmes are problematic, this indicates a fault with your HDD. This can't be repaired and will - sooner or later - mean a replacement box is required.
You can either wait here for staff to respond or call in to report faults by phone.
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