Malware removal annoying popups on a computer system at Bascote in Warwickshire

Good morning today we are with a customer at Bascote between Ufton Southam and Long Itchington in Warwickshire, We are here because the customers computer is running slow and has a never ending stream of pop ups appearing on the screen these are usually titled Adserving or, To remove this we had to edit the startup files in the registry, Removed temporary files, Ran a Trojan virus remover, and once cleaned we setup a backup system.