Computer users are divided into three types: Novice Users - People who are afraid that simply pressing a key might break their computer. Intermediate Users - People who don't know how to fix their computer after they've just pressed a key that broke it. Expert Users - People who press the keys that break other people's computers.
Words just cannot describe how awful they are.
If anyone is considering BT Infinity do yourself a favour, see if any other company is available.
Nice 3 bedroom house with drive and garden (and a vegetable 'allotment').